[ { "id": "B1", "number": "1", "sort_key": 1, "common_name": null, "ra2000_deg": 53.233333333333334, "dec2000_deg": 31.166666666666668, "ra1875_deg": 51.30833333333334, "dec1875_deg": 30.733333333333334, "l_deg": 159.113, "b_deg": -20.132, "size_arcmin": null, "constellation": "Per", "plates": [ 3 ], "description": "Large, indefinite, diam. 1/2°", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B2", "number": "2", "sort_key": 2, "common_name": null, "ra2000_deg": 53.375, "dec2000_deg": 32.333333333333336, "ra1875_deg": 51.43333333333333, "dec1875_deg": 31.9, "l_deg": 158.455, "b_deg": -19.136, "size_arcmin": 20, "constellation": "Per", "plates": [ 3 ], "description": "Indefinite, elongated SE and NW, diam. 20′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B3", "number": "3", "sort_key": 3, "common_name": null, "ra2000_deg": 55, "dec2000_deg": 31.983333333333334, "ra1875_deg": 53.05833333333334, "dec1875_deg": 31.566666666666666, "l_deg": 159.824, "b_deg": -18.556, "size_arcmin": 20, "constellation": "Per", "plates": [ 3 ], "description": "Irregular, dark space in nebula, diam. 20′, curved, bright strip of nebulosity in SW side", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B4", "number": "4", "sort_key": 4, "common_name": null, "ra2000_deg": 56.00416666666667, "dec2000_deg": 31.816666666666666, "ra1875_deg": 54.05833333333334, "dec1875_deg": 31.4, "l_deg": 160.629, "b_deg": -18.143, "size_arcmin": null, "constellation": "Per", "plates": [ 3 ], "description": "Very large, indefinite", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B5", "number": "5", "sort_key": 5, "common_name": null, "ra2000_deg": 56.9625, "dec2000_deg": 32.9, "ra1875_deg": 55, "dec1875_deg": 32.5, "l_deg": 160.548, "b_deg": -16.793, "size_arcmin": 60, "constellation": "Per", "plates": [ 3 ], "description": "Indefinite, elongated NE and SW diam. 1°, Eta Persei (BD+32°667, 5.8 mag) near NE side", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B6", "number": "6", "sort_key": 6, "common_name": null, "ra2000_deg": 59.079166666666666, "dec2000_deg": 56.13333333333333, "ra1875_deg": 56.625, "dec1875_deg": 55.75, "l_deg": 146.672, "b_deg": 2.033, "size_arcmin": null, "constellation": "Cam", "plates": [], "description": "Round, indefinite", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B7", "number": "7", "sort_key": 7, "common_name": null, "ra2000_deg": 64.35, "dec2000_deg": 28.566666666666666, "ra1875_deg": 62.41666666666667, "dec1875_deg": 28.25, "l_deg": 168.45, "b_deg": -15.583, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Large, irregular, with brighter condensation (B 10) in SE part", "alt_descriptions": [], "cross_refs": [ "B10" ], "modern_images": [] }, { "id": "B8", "number": "8", "sort_key": 8, "common_name": null, "ra2000_deg": 64.44583333333334, "dec2000_deg": 55.266666666666666, "ra1875_deg": 61.970833333333324, "dec1875_deg": 54.93333333333333, "l_deg": 149.498, "b_deg": 3.421, "size_arcmin": null, "constellation": "Cam", "plates": [], "description": "Center of a dark, irregular lane about 2°.6 long and 22′ ± across, very much like the dark lanes E. of ρ Ophiuchi", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B9", "number": "9", "sort_key": 9, "common_name": null, "ra2000_deg": 64.72083333333333, "dec2000_deg": 55.06666666666667, "ra1875_deg": 62.25000000000001, "dec1875_deg": 54.75, "l_deg": 149.751, "b_deg": 3.388, "size_arcmin": null, "constellation": "Cam", "plates": [], "description": "Dark, irregular vacancy. This is the middle of a great vacancy extending east and west, the continuous part of which is 2 1/2° long and about 1/2° wide. It really extends in a more or less broken form for about 6°. There is a wide region extending south of it for a couple of degrees, nearly to the star BD+53°750 (50 mag) whose position is a α = 4h 6m 58s, δ = +53° 18'. To the east it breaks up into more or less separate spots, somewhat resembling those at the east end of the great lane from Rho Ophiuchi, but unlike that lane it does not originate in a larger vacant space or a nebula. Its borders are not so definite as the Rho Ophiuchi lane. It is approximately bounded by the coordinates α = 3h 58m, δ = +54°.7 and α = 4h 20m, δ = +54°.8. The individual positions of some of the spots are given in the catalogue.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B10", "number": "10", "sort_key": 10, "common_name": null, "ra2000_deg": 64.66666666666666, "dec2000_deg": 28.283333333333335, "ra1875_deg": 62.737500000000004, "dec1875_deg": 27.966666666666665, "l_deg": 168.862, "b_deg": -15.577, "size_arcmin": 8, "constellation": "Tau", "plates": [ 5 ], "description": "The brightest part of B 7, diam. about 8′", "alt_descriptions": [], "cross_refs": [ "B7" ], "modern_images": [] }, { "id": "B11", "number": "11", "sort_key": 11, "common_name": null, "ra2000_deg": 66.64166666666667, "dec2000_deg": 55.05, "ra1875_deg": 64.15416666666667, "dec1875_deg": 54.75, "l_deg": 150.538, "b_deg": 4.158, "size_arcmin": null, "constellation": "Cam", "plates": [], "description": "East end of irregular lane, B 8", "alt_descriptions": [], "cross_refs": [ "B8" ], "modern_images": [] }, { "id": "B12", "number": "12", "sort_key": 12, "common_name": null, "ra2000_deg": 67.43333333333334, "dec2000_deg": 54.266666666666666, "ra1875_deg": 64.96666666666665, "dec1875_deg": 53.96666666666667, "l_deg": 151.423, "b_deg": 3.948, "size_arcmin": 24, "constellation": "Cam", "plates": [], "description": "Isolated dark spot SE of B 11, diam. 24′, irregularly round with extension E from NE side", "alt_descriptions": [], "cross_refs": [ "B11" ], "modern_images": [] }, { "id": "B13", "number": "13", "sort_key": 13, "common_name": null, "ra2000_deg": 67.8125, "dec2000_deg": 54.9, "ra1875_deg": 65.32083333333333, "dec1875_deg": 54.61666666666667, "l_deg": 151.111, "b_deg": 4.542, "size_arcmin": 11, "constellation": "Cam", "plates": [], "description": "Irregular, diam. 11′, irregular darker inside with a rather sharp, short, narrow extension toward the S.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B14", "number": "14", "sort_key": 14, "common_name": null, "ra2000_deg": 69.99166666666667, "dec2000_deg": 25.766666666666666, "ra1875_deg": 68.08333333333333, "dec1875_deg": 25.5, "l_deg": 174.06, "b_deg": -13.695, "size_arcmin": 3, "constellation": "Tau", "plates": [ 5 ], "description": "Very small, bright nebula, diam 3′. A bright spot in the dark nebula B 22. (Position given in Astrophysical Journal, 49, 14, 1919, in error by 10m in a.)", "alt_descriptions": [], "cross_refs": [ "B22" ], "modern_images": [] }, { "id": "B15", "number": "15", "sort_key": 15, "common_name": null, "ra2000_deg": 67.975, "dec2000_deg": 46.63333333333333, "ra1875_deg": 65.70833333333333, "dec1875_deg": 46.35, "l_deg": 157.221, "b_deg": -1.033, "size_arcmin": 10, "constellation": "Per", "plates": [], "description": "Elliptical, diam. 10′ x 15′ slightly NW and SE. One of the finest examples of a dark object seen against the ordinary sky and away from the Milky Way. The background on which the stars shine is uniform over the entire plate. The object is in a region somewhat larger than itself, where there are relatively few stars, and is black by contrast with the sky alone. It clearly shows the presence of a feeble uniform luminosity in space which, from the appearance of similar objects in widely different parts of the sky, leads to the belief that this feeble illumination of distant space is universal. If this object were seen against the star clouds of the Milky Way it would appear strikingly black.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B16", "number": "16", "sort_key": 16, "common_name": null, "ra2000_deg": 68.1, "dec2000_deg": 46.61666666666667, "ra1875_deg": 65.83333333333334, "dec1875_deg": 46.333333333333336, "l_deg": 157.292, "b_deg": -0.982, "size_arcmin": null, "constellation": "Per", "plates": [], "description": "Very small, elongated N and S, close to SE edge of B 15", "alt_descriptions": [], "cross_refs": [ "B15" ], "modern_images": [] }, { "id": "B17", "number": "17", "sort_key": 17, "common_name": null, "ra2000_deg": 68.11666666666667, "dec2000_deg": 46.53333333333333, "ra1875_deg": 65.85416666666667, "dec1875_deg": 46.25, "l_deg": 157.36, "b_deg": -1.03, "size_arcmin": null, "constellation": "Per", "plates": [], "description": "Very small, elongated N and S, close to E edge of B 15", "alt_descriptions": [], "cross_refs": [ "B15" ], "modern_images": [] }, { "id": "B18", "number": "18", "sort_key": 18, "common_name": null, "ra2000_deg": 67.8, "dec2000_deg": 24.366666666666667, "ra1875_deg": 65.91666666666667, "dec1875_deg": 24.083333333333332, "l_deg": 173.84, "b_deg": -16.115, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Diam. 1°, group of dark spots", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B19", "number": "19", "sort_key": 19, "common_name": null, "ra2000_deg": 68.4125, "dec2000_deg": 26.283333333333335, "ra1875_deg": 66.5, "dec1875_deg": 26, "l_deg": 172.708, "b_deg": -14.445, "size_arcmin": 60, "constellation": "Tau", "plates": [ 5 ], "description": "Large, indefinite, diam. 1°", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B20", "number": "20", "sort_key": 20, "common_name": null, "ra2000_deg": 69.25833333333334, "dec2000_deg": 50.983333333333334, "ra1875_deg": 66.87500000000001, "dec1875_deg": 50.71666666666667, "l_deg": 154.591, "b_deg": 2.534, "size_arcmin": null, "constellation": "Per", "plates": [], "description": "In S part of larger, relatively vacant area nearly 1° in diam. This is the dark object mentioned by Espin in Monthly Notices, 58, 334, 1898. It is close north to a small group of faint stars and is 6' or 8' in diameter. In a somewhat larger vacant space. It is not so definite as B 15.", "alt_descriptions": [], "cross_refs": [ "B15" ], "modern_images": [] }, { "id": "B21", "number": "21", "sort_key": 21, "common_name": null, "ra2000_deg": 69.47916666666667, "dec2000_deg": 55.36666666666667, "ra1875_deg": 66.95833333333334, "dec1875_deg": 55.1, "l_deg": 151.409, "b_deg": 5.561, "size_arcmin": 10, "constellation": "Cam", "plates": [], "description": "Indefinite, irregularly round, diam. 10′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B22", "number": "22", "sort_key": 22, "common_name": null, "ra2000_deg": 69.6625, "dec2000_deg": 26.066666666666666, "ra1875_deg": 67.75, "dec1875_deg": 25.8, "l_deg": 173.627, "b_deg": -13.73, "size_arcmin": 120, "constellation": "Tau", "plates": [ 5 ], "description": "Irregular, unequally dark, extended SE and NW, diam. 2°. This is a very large region of obscure nebulosity with several darker streaks in it tending northwest. It is partly separated from another starless region lying about 2° to the west and north. Near the middle of the first of the SE regions is a small luminous nebula with a faint fan-shaped extension for 10' to the northeast (B 14). This is undoubtedly a brighter condensation of the great obscuring mass surrounding it. The position of this small nebula is α = 4h 32m 20s, δ = +25°30'.", "alt_descriptions": [], "cross_refs": [ "B14" ], "modern_images": [] }, { "id": "B23", "number": "23", "sort_key": 23, "common_name": null, "ra2000_deg": 70.13333333333333, "dec2000_deg": 29.9, "ra1875_deg": 68.16666666666666, "dec1875_deg": 29.633333333333333, "l_deg": 170.902, "b_deg": -10.941, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Diam. 5′, sharply pointed to the SE, BD+29°728 (6.5 mag) in N part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B24", "number": "24", "sort_key": 24, "common_name": null, "ra2000_deg": 70.71666666666667, "dec2000_deg": 29.75, "ra1875_deg": 68.75, "dec1875_deg": 29.5, "l_deg": 171.35, "b_deg": -10.651, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Diam. 8′, sharply pointed to the S", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B25", "number": "25", "sort_key": 25, "common_name": null, "ra2000_deg": 73.00833333333334, "dec2000_deg": 46.03333333333333, "ra1875_deg": 70.73333333333333, "dec1875_deg": 45.8, "l_deg": 159.964, "b_deg": 1.183, "size_arcmin": 8, "constellation": "Aur", "plates": [], "description": "Irregularly round, diam. 8′, a good example of a dark or more or less starless region", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B26", "number": "26", "sort_key": 26, "common_name": null, "ra2000_deg": 73.65416666666667, "dec2000_deg": 30.633333333333333, "ra1875_deg": 71.66666666666667, "dec1875_deg": 30.416666666666668, "l_deg": 172.28, "b_deg": -8.124, "size_arcmin": 5, "constellation": "Aur", "plates": [], "description": "Irregular, diam. 5′, B 26, 27, and 28 are close NW of BD+30°741 (6.8 mag), which is involved in feeble nebulosity", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B27", "number": "27", "sort_key": 27, "common_name": null, "ra2000_deg": 73.77916666666667, "dec2000_deg": 30.566666666666666, "ra1875_deg": 71.79166666666667, "dec1875_deg": 30.35, "l_deg": 172.4, "b_deg": -8.081, "size_arcmin": 5, "constellation": "Aur", "plates": [], "description": "Irregular, diam. 5′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B28", "number": "28", "sort_key": 28, "common_name": null, "ra2000_deg": 73.96666666666667, "dec2000_deg": 30.65, "ra1875_deg": 71.975, "dec1875_deg": 30.433333333333334, "l_deg": 172.434, "b_deg": -7.902, "size_arcmin": 4, "constellation": "Aur", "plates": [], "description": "Irregular, diam. 4′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B29", "number": "29", "sort_key": 29, "common_name": null, "ra2000_deg": 76.59583333333333, "dec2000_deg": 31.6, "ra1875_deg": 74.58333333333333, "dec1875_deg": 31.416666666666668, "l_deg": 173.051, "b_deg": -5.538, "size_arcmin": 10, "constellation": "Aur", "plates": [], "description": "Round, indefinite, diam. 10′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B30", "number": "30", "sort_key": 30, "common_name": null, "ra2000_deg": 82.56666666666666, "dec2000_deg": 12.783333333333333, "ra1875_deg": 80.8125, "dec1875_deg": 12.666666666666666, "l_deg": 191.93, "b_deg": -11.544, "size_arcmin": 67, "constellation": "Ori", "plates": [ 6 ], "description": "Large dark area with few stars, diam. 67′. There is a nebulous border, 1/2° wide, to the semi-vacant region extending 1° east and north from BD+12°803 (7.0 mag). Apparently this nebulous border extends many degrees east in a very diffused manner. There is a narrow dark lane extending south from the semi-vacant region, running close west of BD+12°803 to a point nearly 1° due south of BD+12°801 (6.9 mag) There is a small fan-shaped nebula close north of a small star in the position α = 5h 24m 30s, δ = +12° 03'.9. A small strip of nebulosity extends 5' southwest from this star. These two nebulae are probably the brighter parts of a large obscure nebulosity.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B31", "number": "31", "sort_key": 31, "common_name": null, "ra2000_deg": 83.00416666666666, "dec2000_deg": 12.766666666666667, "ra1875_deg": 81.25, "dec1875_deg": 12.666666666666666, "l_deg": 192.172, "b_deg": -11.189, "size_arcmin": null, "constellation": "Ori", "plates": [ 6 ], "description": "Diam. 30′, extended NE and SW, the E and darkest part of B 30", "alt_descriptions": [], "cross_refs": [ "B30" ], "modern_images": [] }, { "id": "B32", "number": "32", "sort_key": 32, "common_name": null, "ra2000_deg": 83.03333333333333, "dec2000_deg": 12.433333333333334, "ra1875_deg": 81.28333333333335, "dec1875_deg": 12.333333333333334, "l_deg": 192.477, "b_deg": -11.338, "size_arcmin": null, "constellation": "Ori", "plates": [ 6 ], "description": "Dark projection from S end of B 31 to the E", "alt_descriptions": [], "cross_refs": [ "B31" ], "modern_images": [] }, { "id": "B33", "number": "33", "sort_key": 33, "common_name": "Horsehead Nebula", "ra2000_deg": 85.22083333333333, "dec2000_deg": -2.45, "ra1875_deg": 83.64999999999999, "dec1875_deg": -2.533333333333333, "l_deg": 206.936, "b_deg": -16.794, "size_arcmin": 4, "constellation": "Ori", "plates": [], "description": "Dark mass, diam. 4′, on nebulous strip extending S from ζ Orionis (see Ap. J., 38, 500, 1913, and Plate XX)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B34", "number": "34", "sort_key": 34, "common_name": null, "ra2000_deg": 85.87500000000001, "dec2000_deg": 32.65, "ra1875_deg": 83.83333333333333, "dec1875_deg": 32.583333333333336, "l_deg": 176.596, "b_deg": 1.553, "size_arcmin": 20, "constellation": "Aur", "plates": [ 7 ], "description": "Round, starless, indefinite, diam. 20′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B35", "number": "35", "sort_key": 35, "common_name": null, "ra2000_deg": 86.37916666666666, "dec2000_deg": 9.066666666666666, "ra1875_deg": 84.66666666666666, "dec1875_deg": 9, "l_deg": 197.13, "b_deg": -10.222, "size_arcmin": null, "constellation": "Ori", "plates": [ 6 ], "description": "Elongated E and W, 20′ x 10′, with an extension SE, three small stars N of it", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B36", "number": "36", "sort_key": 36, "common_name": null, "ra2000_deg": 87.44166666666666, "dec2000_deg": 7.433333333333334, "ra1875_deg": 85.75, "dec1875_deg": 7.383333333333334, "l_deg": 199.101, "b_deg": -10.115, "size_arcmin": null, "constellation": "Ori", "plates": [ 6 ], "description": "Irregular narrow dark lane 2° long, NE and SW. The NE end connects brokenly with B 35. Well shown on Plate 21, Lick Observatory Publications, 11, 1913.", "alt_descriptions": [], "cross_refs": [ "B35" ], "modern_images": [] }, { "id": "B37", "number": "37", "sort_key": 37, "common_name": null, "ra2000_deg": 98.22916666666666, "dec2000_deg": 10.483333333333333, "ra1875_deg": 96.5, "dec1875_deg": 10.566666666666666, "l_deg": 201.504, "b_deg": 0.706, "size_arcmin": null, "constellation": "Mon", "plates": [], "description": "Irregular, semi-vacant region 2 1/2° - 3° long. This region is abruptly terminated on the south side by the nebulosity extending north from 15 Monocerotis. Its west side ends abruptly in α = 6h 22m 15s, δ = +12° 26'. B 37, 38, and 39 are shown in Plates 28 and 29 (ibid.).", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B38", "number": "38", "sort_key": 38, "common_name": null, "ra2000_deg": 98.425, "dec2000_deg": 11.083333333333334, "ra1875_deg": 96.6875, "dec1875_deg": 11.166666666666666, "l_deg": 201.06, "b_deg": 1.153, "size_arcmin": 60, "constellation": "Mon", "plates": [], "description": "Irregular vacancy, diam. 1°. This seems to refer to a portion of B 37", "alt_descriptions": [], "cross_refs": [ "B37" ], "modern_images": [] }, { "id": "B39", "number": "39", "sort_key": 39, "common_name": null, "ra2000_deg": 99.51249999999999, "dec2000_deg": 10.333333333333334, "ra1875_deg": 97.78333333333333, "dec1875_deg": 10.433333333333334, "l_deg": 202.217, "b_deg": 1.758, "size_arcmin": null, "constellation": "Mon", "plates": [], "description": "Small, sharply defined, elongated spot in the nebulosity NW of 15 Monocerotis", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B40", "number": "40", "sort_key": 40, "common_name": null, "ra2000_deg": 243.65833333333336, "dec2000_deg": -18.983333333333334, "ra1875_deg": 241.85000000000002, "dec1875_deg": -18.65, "l_deg": 355.444, "b_deg": 22.556, "size_arcmin": 15, "constellation": "Sco", "plates": [ 12 ], "description": "Diffused dark spot, diam. 15′, small star in it. This spot and B 41 are connected with the great nebula about Nu Scorpii and are doubtless denser opaque masses of the nebula. There is a larger dark region belonging to this same system in α = 16h 23m, δ = -19°30' (B 43), from which broken dark lanes somewhat like those from Rho Ophiuchi, though less marked, run eastward for some degrees.", "alt_descriptions": [], "cross_refs": [ "B41", "B43" ], "modern_images": [] }, { "id": "B41", "number": "41", "sort_key": 41, "common_name": null, "ra2000_deg": 245.57083333333335, "dec2000_deg": -19.633333333333333, "ra1875_deg": 243.75, "dec1875_deg": -19.333333333333332, "l_deg": 356.198, "b_deg": 20.77, "size_arcmin": null, "constellation": "Sco", "plates": [ 12 ], "description": "Diffused dark spot, diam. 3/4°", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B42", "number": "42", "sort_key": 42, "common_name": null, "ra2000_deg": 246.37083333333334, "dec2000_deg": -23.45, "ra1875_deg": 244.5, "dec1875_deg": -23.15, "l_deg": 353.668, "b_deg": 17.702, "size_arcmin": null, "constellation": "Oph", "plates": [ 13 ], "description": "Great nebula of ρ Ophiuchi. This object is put in this list because, though not wholly dark, it is partly so, and the evident obscuration produced by it puts it in the class for which the catalogue is made. The semi-vacant region in which this, the great nebula of Rho Ophiuchi, lies is about 3 1/2° in diameter. For references to the visual discovery and early observations of this strange region see Astronomische Nachrichten, 138, 211, 1895; Popular Astronomy, 5, 227, 1897; 14, 581, 1906; Lick Observatory Publications, 11, 19, 1913 and Plate 36.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B43", "number": "43", "sort_key": 43, "common_name": null, "ra2000_deg": 247.575, "dec2000_deg": -19.783333333333335, "ra1875_deg": 245.75, "dec1875_deg": -19.5, "l_deg": 357.373, "b_deg": 19.233, "size_arcmin": null, "constellation": "Oph", "plates": [ 13, 14 ], "description": "Large dark region", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B44", "number": "44", "sort_key": 44, "common_name": null, "ra2000_deg": 250.1375, "dec2000_deg": -24.083333333333332, "ra1875_deg": 248.25, "dec1875_deg": -23.833333333333332, "l_deg": 355.486, "b_deg": 14.664, "size_arcmin": null, "constellation": "Oph", "plates": [ 13, 14, 15, 18 ], "description": "Dark lane E from ρ Ophiuchi region. This is the middle of the main part of the great vacant lane that runs east from the region of Rho Ophiuchi. It is about 32' wide and has its beginning in a vacant area in which is the star 22 Scorpii (CD-24°12695, 5.5 mag). It runs slightly northeast to about α = 16h 40m, δ = -23° 40'. From this point it extends in a broken chain of dark spots to a little south of B 63. Its total length is therefore about 10°.", "alt_descriptions": [], "cross_refs": [ "B63" ], "modern_images": [] }, { "id": "B44a", "number": "44a", "sort_key": 44.5, "common_name": null, "ra2000_deg": 251.18333333333334, "dec2000_deg": -40.35, "ra1875_deg": 249.03333333333336, "dec1875_deg": -40.1, "l_deg": 343.457, "b_deg": 3.494, "size_arcmin": 5, "constellation": "Sco", "plates": [ 16 ], "description": "Irregular, diam. 5′, sharpest on SE side, CD-40°10662 (9.0 mag) close N. Apparently a real, dark object", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B45", "number": "45", "sort_key": 45, "common_name": null, "ra2000_deg": 251.60833333333332, "dec2000_deg": -21.6, "ra1875_deg": 249.74999999999997, "dec1875_deg": -21.366666666666667, "l_deg": 358.369, "b_deg": 15.155, "size_arcmin": null, "constellation": "Oph", "plates": [ 13, 14 ], "description": "Rather definite, 2° long. Extended northeast and southwest with an irregular projection southwest that connects it with the Rho Ophiuchi region. This appears to be a real, dark object.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B46", "number": "46", "sort_key": 46, "common_name": null, "ra2000_deg": 254.3, "dec2000_deg": -22.75, "ra1875_deg": 252.425, "dec1875_deg": -22.533333333333335, "l_deg": 358.988, "b_deg": 12.477, "size_arcmin": null, "constellation": "Oph", "plates": [ 14 ], "description": "Irregular, definite, a string of small stars in the middle", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B47", "number": "47", "sort_key": 47, "common_name": null, "ra2000_deg": 254.925, "dec2000_deg": -22.65, "ra1875_deg": 253.05, "dec1875_deg": -22.45, "l_deg": 359.422, "b_deg": 12.074, "size_arcmin": 15, "constellation": "Oph", "plates": [ 14 ], "description": "Irregular, definite, diam. 15′, connected with B 51 by two sharp lanes", "alt_descriptions": [], "cross_refs": [ "B51" ], "modern_images": [] }, { "id": "B48", "number": "48", "sort_key": 48, "common_name": null, "ra2000_deg": 255.4208333333333, "dec2000_deg": -40.7, "ra1875_deg": 253.25, "dec1875_deg": -40.5, "l_deg": 345.224, "b_deg": 0.777, "size_arcmin": null, "constellation": "Sco", "plates": [ 16 ], "description": "Fairly will defined, 40′ long NE and SW, 15′ W and N of CD-40°11088 (8.0 mag), seems to be a real object", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B49", "number": "49", "sort_key": 49, "common_name": null, "ra2000_deg": 255.66250000000002, "dec2000_deg": -33.28333333333333, "ra1875_deg": 253.62499999999997, "dec1875_deg": -33.083333333333336, "l_deg": 351.225, "b_deg": 5.153, "size_arcmin": null, "constellation": "Sco", "plates": [ 17 ], "description": "Small, close SE of and involving CD-33°11668 (9.3 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B50", "number": "50", "sort_key": 50, "common_name": null, "ra2000_deg": 255.97083333333333, "dec2000_deg": -34.4, "ra1875_deg": 253.66666666666669, "dec1875_deg": -34.2, "l_deg": 350.49, "b_deg": 4.272, "size_arcmin": null, "constellation": "Sco", "plates": [ 16, 17 ], "description": "Large, irregular, dark space. This is an irregular square 15' in diameter, sharply defined on the east side and diffused on the west, where there are broken extensions for 1/2°. The star CD-34°11418 (9.8 mag) is near the middle. The stars CD-34°11422 (9.8 mag) and -34°11427 (9.9 mag) are on the eastern border.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B51", "number": "51", "sort_key": 51, "common_name": null, "ra2000_deg": 256.1791666666667, "dec2000_deg": -22.266666666666666, "ra1875_deg": 254.3083333333333, "dec1875_deg": -22.083333333333332, "l_deg": 0.436, "b_deg": 11.364, "size_arcmin": 20, "constellation": "Oph", "plates": [ 14, 19 ], "description": "Definite, diam. 20′. One of a straggling group toward the eastern end of the dark lane from Rho Ophiuchi. Two irregular, dark lanes run west from it to B 47.", "alt_descriptions": [], "cross_refs": [ "B47" ], "modern_images": [] }, { "id": "B53", "number": "53", "sort_key": 53, "common_name": null, "ra2000_deg": 256.5416666666667, "dec2000_deg": -33.6, "ra1875_deg": 254.49999999999997, "dec1875_deg": -33.416666666666664, "l_deg": 351.416, "b_deg": 4.377, "size_arcmin": null, "constellation": "Sco", "plates": [ 17 ], "description": "Large, diffuse, extended N and S 1/2°, curved toward the E and N end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B54", "number": "54", "sort_key": 54, "common_name": null, "ra2000_deg": 256.6375, "dec2000_deg": -34.266666666666666, "ra1875_deg": 254.58333333333331, "dec1875_deg": -34.083333333333336, "l_deg": 350.929, "b_deg": 3.913, "size_arcmin": 5, "constellation": "Sco", "plates": [ 17 ], "description": "Small, round, diam. 5′, close S of 11 mag. star", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B55", "number": "55", "sort_key": 55, "common_name": null, "ra2000_deg": 256.8833333333334, "dec2000_deg": -32.016666666666666, "ra1875_deg": 254.8666666666667, "dec1875_deg": -31.833333333333332, "l_deg": 352.862, "b_deg": 5.093, "size_arcmin": 16, "constellation": "Sco", "plates": [ 15, 17, 18 ], "description": "Irregular, diam. 16′, best defined SE, CD-31°13582 (8.9 mag) near the center", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B56", "number": "56", "sort_key": 56, "common_name": null, "ra2000_deg": 257.2, "dec2000_deg": -32.11666666666667, "ra1875_deg": 255.17916666666667, "dec1875_deg": -31.933333333333334, "l_deg": 352.941, "b_deg": 4.818, "size_arcmin": 3, "constellation": "Sco", "plates": [ 15, 17, 18 ], "description": "Small, diam. 3′, close E of CD-31°13609 (9.0 mag). This seems to be a real object", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B57", "number": "57", "sort_key": 57, "common_name": null, "ra2000_deg": 257.09166666666664, "dec2000_deg": -22.85, "ra1875_deg": 255.20833333333334, "dec1875_deg": -22.666666666666668, "l_deg": 0.453, "b_deg": 10.339, "size_arcmin": null, "constellation": "Oph", "plates": [ 14, 18, 19, 20 ], "description": "Diam. 5′, elongated NE and SW", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B58", "number": "58", "sort_key": 58, "common_name": null, "ra2000_deg": 257.79583333333335, "dec2000_deg": -40.416666666666664, "ra1875_deg": 255.62500000000003, "dec1875_deg": -40.25, "l_deg": 346.537, "b_deg": -0.492, "size_arcmin": null, "constellation": "Sco", "plates": [ 16 ], "description": "Diam. 30′, slightly extended N and S, a darker core at NE side", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B59", "number": "59", "sort_key": 59, "common_name": "Pipe Nebula", "ra2000_deg": 257.84583333333336, "dec2000_deg": -27.5, "ra1875_deg": 255.89583333333334, "dec1875_deg": -27.333333333333332, "l_deg": 357.027, "b_deg": 7.08, "size_arcmin": 60, "constellation": "Oph", "plates": [ 15, 18, 20, 21 ], "description": "Sink hole, diam 1°, at the W end of a wide broken lane from B 78", "alt_descriptions": [], "cross_refs": [ "B78" ], "modern_images": [] }, { "id": "B60", "number": "60", "sort_key": 60, "common_name": null, "ra2000_deg": 257.96250000000003, "dec2000_deg": -22.45, "ra1875_deg": 256.08333333333337, "dec1875_deg": -22.283333333333335, "l_deg": 1.256, "b_deg": 9.913, "size_arcmin": null, "constellation": "Oph", "plates": [ 14, 19, 20 ], "description": "Curved, 13′ long, extended NE and SW, this and B 57 are the most distinct of a group of dark spots SW of the square end of B 63. Apparently a real object.", "alt_descriptions": [], "cross_refs": [ "B57", "B63" ], "modern_images": [] }, { "id": "B61", "number": "61", "sort_key": 61, "common_name": null, "ra2000_deg": 258.75, "dec2000_deg": -20.483333333333334, "ra1875_deg": 256.89583333333337, "dec1875_deg": -20.333333333333332, "l_deg": 3.323, "b_deg": 10.428, "size_arcmin": null, "constellation": "Oph", "plates": [ 19, 20 ], "description": "Small, elongated E and W", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B62", "number": "62", "sort_key": 62, "common_name": null, "ra2000_deg": 259.05, "dec2000_deg": -20.883333333333333, "ra1875_deg": 257.19166666666666, "dec1875_deg": -20.733333333333334, "l_deg": 3.147, "b_deg": 9.97, "size_arcmin": null, "constellation": "Oph", "plates": [ 19, 20 ], "description": "Diam. 19′, very black in NW part, brightest of three stars in S part = BD-20°4696 (9.4 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B63", "number": "63", "sort_key": 63, "common_name": null, "ra2000_deg": 259.1166666666667, "dec2000_deg": -21.483333333333334, "ra1875_deg": 257.25, "dec1875_deg": -21.333333333333332, "l_deg": 2.68, "b_deg": 9.581, "size_arcmin": null, "constellation": "Oph", "plates": [ 14, 19, 20 ], "description": "Large, definite, curved figure, convex to N, the W end abrupt, 1°37′ E and W, 19′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B64", "number": "64", "sort_key": 64, "common_name": null, "ra2000_deg": 259.325, "dec2000_deg": -18.5, "ra1875_deg": 257.5, "dec1875_deg": -18.35, "l_deg": 5.305, "b_deg": 11.088, "size_arcmin": null, "constellation": "Oph", "plates": [ 19 ], "description": "Cometary, W of M 9. This object is somewhat cometary in form and has a very black core or head that sharply abuts against the thick stratum of stars; from this it spreads out into a large dark area with much dark detail, filling quite a space close southwest of M 9. It thus resembles a dark comet with a dense and well-defined head and diffused widening tail. The position of the head is α = 17h 9m 57s, δ = -18°20'.6.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B65", "number": "65", "sort_key": 65, "common_name": null, "ra2000_deg": 259.90000000000003, "dec2000_deg": -26.716666666666665, "ra1875_deg": 257.95833333333337, "dec1875_deg": -26.566666666666666, "l_deg": 358.73, "b_deg": 6.033, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 20, 21 ], "description": "Definite, elongated, 12′ E and W", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B66", "number": "66", "sort_key": 66, "common_name": null, "ra2000_deg": 259.9875, "dec2000_deg": -26.916666666666668, "ra1875_deg": 258.04166666666663, "dec1875_deg": -26.766666666666666, "l_deg": 358.609, "b_deg": 5.855, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 20, 21 ], "description": "Definite, extended E and W, 8′ long, CD-26°12082 (8.7 mag) 5′ from SE edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B67", "number": "67", "sort_key": 67, "common_name": null, "ra2000_deg": 260.23749999999995, "dec2000_deg": -26.866666666666667, "ra1875_deg": 258.29166666666663, "dec1875_deg": -26.733333333333334, "l_deg": 358.777, "b_deg": 5.7, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 20, 21 ], "description": "Definite, extended N and S, connects B 65 and 66", "alt_descriptions": [], "cross_refs": [ "B65" ], "modern_images": [] }, { "id": "B67a", "number": "67a", "sort_key": 67.5, "common_name": null, "ra2000_deg": 260.625, "dec2000_deg": -21.9, "ra1875_deg": 258.75, "dec1875_deg": -21.766666666666666, "l_deg": 3.123, "b_deg": 8.186, "size_arcmin": 13, "constellation": "Oph", "plates": [ 19, 20, 21 ], "description": "Irregular, definite, diam. 13′, BD-21°4591 (9.5 mag) in spot, near SE edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B68", "number": "68", "sort_key": 68, "common_name": null, "ra2000_deg": 260.65000000000003, "dec2000_deg": -23.8, "ra1875_deg": 258.75, "dec1875_deg": -23.666666666666668, "l_deg": 1.542, "b_deg": 7.111, "size_arcmin": 4, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Small, irregular, sharply defined, diam. 4′, about 20′ SW of B 72", "alt_descriptions": [], "cross_refs": [ "B72" ], "modern_images": [ { "label": "Astronomy Picture of the Day, 2006-04-09", "url": "https://apod.nasa.gov/apod/ap060409.html" } ] }, { "id": "B69", "number": "69", "sort_key": 69, "common_name": null, "ra2000_deg": 260.73333333333335, "dec2000_deg": -23.933333333333334, "ra1875_deg": 258.82916666666665, "dec1875_deg": -23.8, "l_deg": 1.473, "b_deg": 6.973, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Very small, irregular, sharply defined, extends N and S 4′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B70", "number": "70", "sort_key": 70, "common_name": null, "ra2000_deg": 260.8833333333333, "dec2000_deg": -24.05, "ra1875_deg": 258.9791666666667, "dec1875_deg": -23.916666666666668, "l_deg": 1.452, "b_deg": 6.795, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Diam. 4′, sharply defined on W side", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B71", "number": "71", "sort_key": 71, "common_name": null, "ra2000_deg": 260.7583333333333, "dec2000_deg": -24.016666666666666, "ra1875_deg": 258.85416666666663, "dec1875_deg": -23.883333333333333, "l_deg": 1.416, "b_deg": 6.908, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Very small, diam. 1 1/4′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B72", "number": "72", "sort_key": 72, "common_name": "Snake Nebula", "ra2000_deg": 260.90000000000003, "dec2000_deg": -23.633333333333333, "ra1875_deg": 259, "dec1875_deg": -23.5, "l_deg": 1.81, "b_deg": 7.013, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "S-shaped. This is a striking object. It is a thin, curved black marking, the exact form of the letter S or the figure 5, as the imagination or point of view may dictate. The southeast branch runs east for some distance passing close south of the star CD-23°13375 (9.1 mag). Its average thickness is about 2' - 3'. The position in the catalogue is for the southern part of the figure, or the bottom of the S (see Astrophysical Journal, 49, 1919, Plate III)", "alt_descriptions": [], "cross_refs": [], "modern_images": [ { "label": "Astronomy Picture of the Day, 2005-05-21", "url": "https://apod.nasa.gov/apod/ap050521.html" } ] }, { "id": "B73", "number": "73", "sort_key": 73, "common_name": null, "ra2000_deg": 261.0333333333333, "dec2000_deg": -24.3, "ra1875_deg": 259.125, "dec1875_deg": -24.166666666666668, "l_deg": 1.32, "b_deg": 6.542, "size_arcmin": 1, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "very small, diam. 1′, extended N and S", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B74", "number": "74", "sort_key": 74, "common_name": null, "ra2000_deg": 261.28333333333336, "dec2000_deg": -24.216666666666665, "ra1875_deg": 259.375, "dec1875_deg": -24.083333333333332, "l_deg": 1.517, "b_deg": 6.398, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Slightly curved, extending 5′ N from CD-24°13325 (7.1 mag). Sharpest on W and S sides", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B75", "number": "75", "sort_key": 75, "common_name": null, "ra2000_deg": 261.3208333333334, "dec2000_deg": -22.05, "ra1875_deg": 259.4458333333334, "dec1875_deg": -21.916666666666668, "l_deg": 3.356, "b_deg": 7.565, "size_arcmin": null, "constellation": "Oph", "plates": [ 19, 20, 21 ], "description": "Curved and scalloped marking, BD-21°4598 (8.3 mag) on N edge (see Ap.J., 49, Plate II, 1919)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B76", "number": "76", "sort_key": 76, "common_name": null, "ra2000_deg": 261.40833333333336, "dec2000_deg": -24.433333333333334, "ra1875_deg": 259.5, "dec1875_deg": -24.3, "l_deg": 1.399, "b_deg": 6.184, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Irregular, narrow, black stip, 1/2° long E and W", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B77", "number": "77", "sort_key": 77, "common_name": null, "ra2000_deg": 262.15416666666664, "dec2000_deg": -23.866666666666667, "ra1875_deg": 260.25, "dec1875_deg": -23.75, "l_deg": 2.251, "b_deg": 5.927, "size_arcmin": 60, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Indefinite, diam. 1°, connected by a cacant strip with B 78", "alt_descriptions": [], "cross_refs": [ "B78" ], "modern_images": [] }, { "id": "B78", "number": "78", "sort_key": 78, "common_name": "Pipe Nebula (bowl)", "ra2000_deg": 263.17916666666673, "dec2000_deg": -25.6, "ra1875_deg": 261.25, "dec1875_deg": -25.5, "l_deg": 1.301, "b_deg": 4.202, "size_arcmin": 180, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Very large, diam. 3°, CD-26°12152 (6.2 mag) S of the middle. This vacant region, with its extension to the west running south of Theta Ophiuchi, is visible to the naked eye (see Popular Astronomy, 14, 580 1906.)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B79", "number": "79", "sort_key": 79, "common_name": null, "ra2000_deg": 264.34583333333336, "dec2000_deg": -19.616666666666667, "ra1875_deg": 262.5, "dec1875_deg": -19.533333333333335, "l_deg": 6.956, "b_deg": 6.495, "size_arcmin": null, "constellation": "Oph", "plates": [ 23, 25 ], "description": "1/2° long SE and NW, narrow, sharply defined", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B80", "number": "80", "sort_key": 80, "common_name": null, "ra2000_deg": 264.425, "dec2000_deg": -21.283333333333335, "ra1875_deg": 262.55833333333334, "dec1875_deg": -21.2, "l_deg": 5.573, "b_deg": 5.551, "size_arcmin": null, "constellation": "Oph", "plates": [ 20, 23 ], "description": "Small, definite, 3′ x 1′, SW and NE, close SE of BD-21°4674 (8.1 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B81", "number": "81", "sort_key": 81, "common_name": null, "ra2000_deg": 264.6375, "dec2000_deg": -23.933333333333334, "ra1875_deg": 262.7291666666667, "dec1875_deg": -23.85, "l_deg": 3.423, "b_deg": 3.979, "size_arcmin": null, "constellation": "Oph", "plates": [ 20, 21, 23 ], "description": "Very small, diffused, close SW of N.G.C. 6401", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B82", "number": "82", "sort_key": 82, "common_name": null, "ra2000_deg": 264.65416666666664, "dec2000_deg": -23.783333333333335, "ra1875_deg": 262.75, "dec1875_deg": -23.7, "l_deg": 3.559, "b_deg": 4.046, "size_arcmin": null, "constellation": "Oph", "plates": [ 20, 21, 23 ], "description": "Small, angular, well defined, 8′ N of N.G.C 6401", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B83", "number": "83", "sort_key": 83, "common_name": null, "ra2000_deg": 264.7416666666667, "dec2000_deg": -24.183333333333334, "ra1875_deg": 262.8333333333333, "dec1875_deg": -24.1, "l_deg": 3.261, "b_deg": 3.766, "size_arcmin": 7, "constellation": "Oph", "plates": [ 20, 21, 23 ], "description": "Irregular, diam. 7′, several small stars in it, narrow extension to the S", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B83a", "number": "83a", "sort_key": 83.5, "common_name": null, "ra2000_deg": 266.32916666666665, "dec2000_deg": -20.016666666666666, "ra1875_deg": 264.475, "dec1875_deg": -19.95, "l_deg": 7.593, "b_deg": 4.695, "size_arcmin": 4, "constellation": "Sgr", "plates": [ 23, 25 ], "description": "Small, definite, diam. 4′, N and S, about 5′ SE of BD-19°4698 (9.5 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B84", "number": "84", "sort_key": 84, "common_name": null, "ra2000_deg": 266.60416666666663, "dec2000_deg": -20.266666666666666, "ra1875_deg": 264.75, "dec1875_deg": -20.2, "l_deg": 7.512, "b_deg": 4.344, "size_arcmin": null, "constellation": "Sgr", "plates": [ 23, 25 ], "description": "Irregular looped figure, sharply defined, 22′ long E and W, extension from it 20′ toward the NW. BD-20°4865 (8.2 mag) near west end and BD-20°4869 (9.1 mag) near east end (see Astrophysical Journal, Plate II).", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B84a", "number": "84a", "sort_key": 84.5, "common_name": null, "ra2000_deg": 269.40416666666664, "dec2000_deg": -17.683333333333334, "ra1875_deg": 267.5833333333333, "dec1875_deg": -17.65, "l_deg": 11.089, "b_deg": 3.371, "size_arcmin": 16, "constellation": "Sgr", "plates": [ 25 ], "description": "Round, diam. 16′, with extension 3/4° S, BD-17°4967 (9.1 mag) in center, perhaps some detail in it", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B85", "number": "85", "sort_key": 85, "common_name": null, "ra2000_deg": 270.6041666666667, "dec2000_deg": -23.033333333333335, "ra1875_deg": 268.7083333333333, "dec1875_deg": -23.016666666666666, "l_deg": 7, "b_deg": -0.261, "size_arcmin": null, "constellation": "Sgr", "plates": [ 29, 30 ], "description": "Trifid nebula. This is the southern part of the Trifid nebula, NGC 6514. The dark markings in this nebula are too well known to insert in this catalogue.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B86", "number": "86", "sort_key": 86, "common_name": "Ink Spot", "ra2000_deg": 270.7583333333333, "dec2000_deg": -27.883333333333333, "ra1875_deg": 268.7875, "dec1875_deg": -27.866666666666667, "l_deg": 2.846, "b_deg": -2.771, "size_arcmin": null, "constellation": "Sgr", "plates": [ 26, 27, 30 ], "description": "Diam. 5′, several small stars in it, the cluster NGC 6520 close E, CD-27°12302 (7.4 mag) on NW edge. For the visual discovery of this object see Astronomische Nachrichten 108, 370, 1884.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B87", "number": "87", "sort_key": 87, "common_name": null, "ra2000_deg": 271.04583333333335, "dec2000_deg": -32.516666666666666, "ra1875_deg": 269, "dec1875_deg": -32.5, "l_deg": 358.913, "b_deg": -5.248, "size_arcmin": null, "constellation": "Sgr", "plates": [ 24, 26, 27, 28 ], "description": "'Parrot′s Head', CD-32°13679 (9.3 mag) central, several smaller stars in it. CD-32°13666 (9.6 mag) on northwest edge. CD-32°13687 (9.6 mag) on the southeast edge.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B88", "number": "88", "sort_key": 88, "common_name": null, "ra2000_deg": 271.1458333333333, "dec2000_deg": -24.133333333333333, "ra1875_deg": 269.23333333333335, "dec1875_deg": -24.116666666666667, "l_deg": 6.286, "b_deg": -1.234, "size_arcmin": null, "constellation": "Sgr", "plates": [ 29, 30 ], "description": "Extended N and S, 2′.7 x 0′.5, in M 8. There are other well-known markings in this nebula. This one and B 89 are given as illustrations of dark markings in the sky shown in a relief against a nebulous or other luminous background. In this case these may be non-luminous opaque parts of the nebula itself.", "alt_descriptions": [], "cross_refs": [ "B89" ], "modern_images": [] }, { "id": "B89", "number": "89", "sort_key": 89, "common_name": null, "ra2000_deg": 271.25, "dec2000_deg": -24.366666666666667, "ra1875_deg": 269.3333333333333, "dec1875_deg": -24.366666666666667, "l_deg": 6.129, "b_deg": -1.431, "size_arcmin": 0, "constellation": "Sgr", "plates": [ 29, 30 ], "description": "Very small, diam. 0′.5, in M 8", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B90", "number": "90", "sort_key": 90, "common_name": null, "ra2000_deg": 272.6, "dec2000_deg": -28.3, "ra1875_deg": 270.625, "dec1875_deg": -28.3, "l_deg": 3.269, "b_deg": -4.394, "size_arcmin": null, "constellation": "Sgr", "plates": [ 26, 27, 30 ], "description": "Irregular, elongated, 3′ N and S. In an irregular dusky space 13' in diameter. There are many similar dark spots in this region, but this one is perhaps the most distinct and is fairly characteristic of the others.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B91", "number": "91", "sort_key": 91, "common_name": null, "ra2000_deg": 272.53333333333336, "dec2000_deg": -23.716666666666665, "ra1875_deg": 270.625, "dec1875_deg": -23.716666666666665, "l_deg": 7.267, "b_deg": -2.14, "size_arcmin": null, "constellation": "Sgr", "plates": [ 29, 30 ], "description": "Diam. 5′, edge of diffused nebulosity. This is a round, sharply defined, dark bay in the east side of a very diffused nebulosity which extends east from M 8. Photographs on July 26 and 27, 1905, show the planet Uranus in this bay. It was nearly central in the bay on July 27.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B92", "number": "92", "sort_key": 92, "common_name": null, "ra2000_deg": 273.89583333333337, "dec2000_deg": -18.233333333333334, "ra1875_deg": 272.06666666666666, "dec1875_deg": -18.266666666666666, "l_deg": 12.691, "b_deg": -0.628, "size_arcmin": null, "constellation": "Sgr", "plates": [ 25, 29, 31, 32, 34 ], "description": "Black spot, 15′ N and S, 9′ E and W. This black spot, known to me in my early days of comet seeking, is very sharply defined on its east edge but less definite on the west. There is a twelfth-magnitude star near the middle with several other small stars (see ibid., 38, 496, 1913, Plate XX, for an account of this remarkable object).", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B93", "number": "93", "sort_key": 93, "common_name": null, "ra2000_deg": 274.225, "dec2000_deg": -18.066666666666666, "ra1875_deg": 272.3958333333333, "dec1875_deg": -18.1, "l_deg": 12.987, "b_deg": -0.824, "size_arcmin": null, "constellation": "Sgr", "plates": [ 29, 31, 32, 34 ], "description": "Cometary, a sharply defined black head 2′ in diam., with a diffused tail 15′ long running S, 20′ NE of B 92", "alt_descriptions": [], "cross_refs": [ "B92" ], "modern_images": [] }, { "id": "B94", "number": "94", "sort_key": 94, "common_name": null, "ra2000_deg": 276.475, "dec2000_deg": -10.683333333333334, "ra1875_deg": 274.7416666666667, "dec1875_deg": -10.733333333333333, "l_deg": 20.526, "b_deg": 0.729, "size_arcmin": 15, "constellation": "Sct", "plates": [ 34, 35 ], "description": "Roundish, diam. 15′, indefinite", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B95", "number": "95", "sort_key": 95, "common_name": null, "ra2000_deg": 276.40000000000003, "dec2000_deg": -11.766666666666667, "ra1875_deg": 274.65416666666664, "dec1875_deg": -11.816666666666666, "l_deg": 19.534, "b_deg": 0.288, "size_arcmin": 30, "constellation": "Sct", "plates": [ 34, 35 ], "description": "Large, indefinite, diam. 30′, elongated", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B96", "number": "96", "sort_key": 96, "common_name": null, "ra2000_deg": 276.60416666666663, "dec2000_deg": -10.3, "ra1875_deg": 274.875, "dec1875_deg": -10.366666666666667, "l_deg": 20.925, "b_deg": 0.795, "size_arcmin": null, "constellation": "Sct", "plates": [ 34, 35 ], "description": "Small, indefinite, elongated E and W", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B97", "number": "97", "sort_key": 97, "common_name": null, "ra2000_deg": 277.275, "dec2000_deg": -9.933333333333334, "ra1875_deg": 275.55, "dec1875_deg": -10, "l_deg": 21.556, "b_deg": 0.381, "size_arcmin": 60, "constellation": "Sct", "plates": [ 35 ], "description": "Irregular, not very definite, diam. 1°", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B98", "number": "98", "sort_key": 98, "common_name": null, "ra2000_deg": 278.3208333333334, "dec2000_deg": -26.066666666666666, "ra1875_deg": 276.3791666666667, "dec1875_deg": -26.15, "l_deg": 7.621, "b_deg": -7.88, "size_arcmin": 3, "constellation": "Sgr", "plates": [ 33 ], "description": "Very small, black, sharply defined, diam 3′. This object looks like a dark planetary nebula. CD-26°13264 (10 mag) is about 4' northwest, and CD-26°13262 (8.6 mag) about 10' southwest of the spot (see ibid., 31, 12, 13, 1910; 49, 1919, Plate IV).", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B99", "number": "99", "sort_key": 99, "common_name": null, "ra2000_deg": 278.325, "dec2000_deg": -21.483333333333334, "ra1875_deg": 276.45, "dec1875_deg": -21.566666666666666, "l_deg": 11.749, "b_deg": -5.827, "size_arcmin": null, "constellation": "Sgr", "plates": [ 32 ], "description": "Definite, 11′ long E and W, 3′ wide, E end is the larger, with a faint star in it", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B100", "number": "100", "sort_key": 100, "common_name": null, "ra2000_deg": 278.17083333333335, "dec2000_deg": -9.15, "ra1875_deg": 276.45833333333337, "dec1875_deg": -9.233333333333333, "l_deg": 22.66, "b_deg": -0.039, "size_arcmin": null, "constellation": "Sct", "plates": [ 35, 37 ], "description": "Definite, irregular, curved, 16′ long NW and SE. Larger at east end. A small star in the southeast edge; BD-9°4761 (9.0 mag) at northwest end.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B101", "number": "101", "sort_key": 101, "common_name": null, "ra2000_deg": 278.16666666666674, "dec2000_deg": -8.816666666666666, "ra1875_deg": 276.45833333333337, "dec1875_deg": -8.9, "l_deg": 22.954, "b_deg": 0.118, "size_arcmin": null, "constellation": "Sct", "plates": [ 35, 37 ], "description": "Definite, irregular, 13′ long NE and SW, 4′ wide, separated from B 100 by a scattering of small stars", "alt_descriptions": [], "cross_refs": [ "B100" ], "modern_images": [] }, { "id": "B102", "number": "102", "sort_key": 102, "common_name": null, "ra2000_deg": 279.425, "dec2000_deg": -13.75, "ra1875_deg": 277.65416666666664, "dec1875_deg": -13.85, "l_deg": 19.137, "b_deg": -3.244, "size_arcmin": null, "constellation": "Sct", "plates": [ 34, 35 ], "description": "Rather definite, elongated NE and SW, 8′ x 3′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B103", "number": "103", "sort_key": 103, "common_name": null, "ra2000_deg": 279.8583333333333, "dec2000_deg": -6.683333333333334, "ra1875_deg": 278.175, "dec1875_deg": -6.783333333333333, "l_deg": 25.619, "b_deg": -0.389, "size_arcmin": 4, "constellation": "Sct", "plates": [ 36, 37 ], "description": "Irregular, diam. 4′, one small star in it. Apparently a real object, the south of several dark markings covering a space 45' in diameter. They form a notched outline to the northwest side of the large star cloud in Scutum.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B104", "number": "104", "sort_key": 104, "common_name": null, "ra2000_deg": 281.83333333333337, "dec2000_deg": -4.55, "ra1875_deg": 280.175, "dec1875_deg": -4.666666666666667, "l_deg": 28.415, "b_deg": -1.162, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 38 ], "description": "Small, definite, caret-shaped object. This consists of a narrow straight black line 16' north and south, with a narrow spur at the south end extending west and north for 5'. The width of these lines is about 0'.7", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B105", "number": "105", "sort_key": 105, "common_name": null, "ra2000_deg": 281.9375, "dec2000_deg": -6.933333333333334, "ra1875_deg": 280.25, "dec1875_deg": -7.05, "l_deg": 26.339, "b_deg": -2.34, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37 ], "description": "Very small, diam. 1/2′, close NE of BD-7°4710 (8.9 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B106", "number": "106", "sort_key": 106, "common_name": null, "ra2000_deg": 282.20833333333337, "dec2000_deg": -5.083333333333333, "ra1875_deg": 280.5458333333333, "dec1875_deg": -5.216666666666667, "l_deg": 28.11, "b_deg": -1.738, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Diam. 2′, extended N and S, free of stars", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B107", "number": "107", "sort_key": 107, "common_name": null, "ra2000_deg": 282.37916666666666, "dec2000_deg": -5.016666666666667, "ra1875_deg": 280.71666666666664, "dec1875_deg": -5.15, "l_deg": 28.247, "b_deg": -1.859, "size_arcmin": 5, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Irregular, diam. 5′, free of stars", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B108", "number": "108", "sort_key": 108, "common_name": null, "ra2000_deg": 282.3958333333333, "dec2000_deg": -6.316666666666666, "ra1875_deg": 280.71666666666664, "dec1875_deg": -6.45, "l_deg": 27.096, "b_deg": -2.465, "size_arcmin": 3, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Very small, diam. 3′, not black, two narrow diverging lanes extending to the N, some small stars in it", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B109", "number": "109", "sort_key": 109, "common_name": null, "ra2000_deg": 282.40000000000003, "dec2000_deg": -7.566666666666666, "ra1875_deg": 280.7083333333333, "dec1875_deg": -7.7, "l_deg": 25.983, "b_deg": -3.036, "size_arcmin": 0, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Irregular, diam. 0′.7, close E of BD-7°4726 (8.0 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B110", "number": "110", "sort_key": 110, "common_name": null, "ra2000_deg": 282.5333333333333, "dec2000_deg": -4.8, "ra1875_deg": 280.87499999999994, "dec1875_deg": -4.933333333333334, "l_deg": 28.51, "b_deg": -1.897, "size_arcmin": 11, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Irregular, diam. 11′, free of stars, a small star near the W edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B111", "number": "111", "sort_key": 111, "common_name": null, "ra2000_deg": 282.6625, "dec2000_deg": -4.966666666666667, "ra1875_deg": 281, "dec1875_deg": -5.1, "l_deg": 28.42, "b_deg": -2.088, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Region 2° in diam., full of dark structures. This is a beautiful region of dark structures, to the east of 6 Aquilae (BD-4°4582, 4.5 mag) and north of the cluster M 11. It forms a wide crescent, with the convex side to the west. To the east it is irregular and broken. The stars BD-5°4775 (8.3 mag) and -5°4778 (8.4 mag) are near the middle of this region.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B112", "number": "112", "sort_key": 112, "common_name": null, "ra2000_deg": 282.7875, "dec2000_deg": -6.683333333333334, "ra1875_deg": 281.10416666666663, "dec1875_deg": -6.816666666666666, "l_deg": 26.946, "b_deg": -2.978, "size_arcmin": 18, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Diffused dark region, diam. 18′ ±, perhaps due to want of stars", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B113", "number": "113", "sort_key": 113, "common_name": null, "ra2000_deg": 282.8541666666667, "dec2000_deg": -4.333333333333333, "ra1875_deg": 281.2, "dec1875_deg": -4.466666666666667, "l_deg": 29.071, "b_deg": -1.97, "size_arcmin": 16, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Irregular, diam. 16′, small star in W part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B114", "number": "114", "sort_key": 114, "common_name": null, "ra2000_deg": 283.3, "dec2000_deg": -6.966666666666667, "ra1875_deg": 281.6125, "dec1875_deg": -7.1, "l_deg": 26.924, "b_deg": -3.56, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Diam. 6′, BD-7°4754 (9.2 mag) near middle, BD-7°4755 (9.1 mag) on S edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B115", "number": "115", "sort_key": 115, "common_name": null, "ra2000_deg": 283.3333333333333, "dec2000_deg": -6.683333333333334, "ra1875_deg": 281.65000000000003, "dec1875_deg": -6.816666666666666, "l_deg": 27.192, "b_deg": -3.462, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Very small and black. Very narrow, running north and south for 7'; width 1'.4. It is in a small vacant region (see ibid., pp. 7-9, for visual observations of B 115, 117 and 118).", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B116", "number": "116", "sort_key": 116, "common_name": null, "ra2000_deg": 283.3875, "dec2000_deg": -7.2, "ra1875_deg": 281.7, "dec1875_deg": -7.333333333333333, "l_deg": 26.755, "b_deg": -3.743, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Narrow, semi-vacant region extending 20′ S from BD-7°4755 (9.1 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B117", "number": "117", "sort_key": 117, "common_name": null, "ra2000_deg": 283.4333333333333, "dec2000_deg": -7.433333333333334, "ra1875_deg": 281.7416666666667, "dec1875_deg": -7.566666666666666, "l_deg": 26.567, "b_deg": -3.889, "size_arcmin": 1, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Round, very black, diam. 1′, sharply defined. This is at the south end of a larger dark region (B 116) with dark lanes running to the north and northeast. It is separated from B 118 by several very small stars.", "alt_descriptions": [], "cross_refs": [ "B116", "B118" ], "modern_images": [] }, { "id": "B117a", "number": "117a", "sort_key": 117.5, "common_name": null, "ra2000_deg": 283.4291666666667, "dec2000_deg": -4.85, "ra1875_deg": 281.7666666666667, "dec1875_deg": -5, "l_deg": 28.872, "b_deg": -2.715, "size_arcmin": 7, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Black, irregular, diam. 7′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B118", "number": "118", "sort_key": 118, "common_name": null, "ra2000_deg": 283.4833333333333, "dec2000_deg": -7.45, "ra1875_deg": 281.7916666666667, "dec1875_deg": -7.6, "l_deg": 26.574, "b_deg": -3.941, "size_arcmin": 2, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Definite, diam. 2′, more definite and blacker than B 117", "alt_descriptions": [], "cross_refs": [ "B117" ], "modern_images": [] }, { "id": "B119", "number": "119", "sort_key": 119, "common_name": null, "ra2000_deg": 283.65416666666664, "dec2000_deg": -4.55, "ra1875_deg": 281.9958333333334, "dec1875_deg": -4.7, "l_deg": 29.241, "b_deg": -2.779, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Very small, close NW of BD-4°4623 (9.2 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B119a", "number": "119a", "sort_key": 119.5, "common_name": null, "ra2000_deg": 283.6666666666667, "dec2000_deg": -5.183333333333334, "ra1875_deg": 282, "dec1875_deg": -5.333333333333333, "l_deg": 28.682, "b_deg": -3.077, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Irregular dark region, diam. 1/2°, liberally sprinkled with stars in its NW half, several narrow dark lanes in SE part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B120", "number": "120", "sort_key": 120, "common_name": null, "ra2000_deg": 283.72499999999997, "dec2000_deg": -4.6, "ra1875_deg": 282.06666666666666, "dec1875_deg": -4.75, "l_deg": 29.229, "b_deg": -2.864, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Very small, close SE of BD-4°4623 (9.2 mag), E side bounded by a curve of very small stars", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B121", "number": "121", "sort_key": 121, "common_name": null, "ra2000_deg": 283.85833333333335, "dec2000_deg": -4.616666666666667, "ra1875_deg": 282.2, "dec1875_deg": -4.766666666666667, "l_deg": 29.274, "b_deg": -2.99, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Small dusky spot, 12 mag. Star in center", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B122", "number": "122", "sort_key": 122, "common_name": null, "ra2000_deg": 284.20416666666665, "dec2000_deg": -4.766666666666667, "ra1875_deg": 282.5458333333333, "dec1875_deg": -4.916666666666667, "l_deg": 29.297, "b_deg": -3.365, "size_arcmin": 4, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Small, diam. 4′, narrow extension 4′ N. Round, small, and black. The entire object is fairly well defined and uniformly dark. There is a small star 4' to the northeast.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B123", "number": "123", "sort_key": 123, "common_name": null, "ra2000_deg": 284.4166666666667, "dec2000_deg": -4.733333333333333, "ra1875_deg": 282.7583333333333, "dec1875_deg": -4.883333333333333, "l_deg": 29.423, "b_deg": -3.539, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Roundish, diam. 1 1/2′, a narrow spur 4′ - 5′ long from its NE edge, a narrow lane 18′ long and 1 1/2′ wide from its W", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B124", "number": "124", "sort_key": 124, "common_name": null, "ra2000_deg": 284.425, "dec2000_deg": -4.366666666666666, "ra1875_deg": 282.77083333333337, "dec1875_deg": -4.516666666666667, "l_deg": 29.754, "b_deg": -3.38, "size_arcmin": 3, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Small dark spot, diam. 3′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B125", "number": "125", "sort_key": 125, "common_name": null, "ra2000_deg": 284.59166666666664, "dec2000_deg": -4.4, "ra1875_deg": 282.9375, "dec1875_deg": -4.55, "l_deg": 29.8, "b_deg": -3.543, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Dark, lune shaped, 9′ E and W, fairly well defined on N border, some faint stars in it", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B126", "number": "126", "sort_key": 126, "common_name": null, "ra2000_deg": 284.68749999999994, "dec2000_deg": -4.55, "ra1875_deg": 283.10416666666663, "dec1875_deg": -4.7, "l_deg": 29.709, "b_deg": -3.697, "size_arcmin": 8, "constellation": "Aql", "plates": [ 36, 37, 38, 39 ], "description": "Dusky, round, rather definite, diam. 8′. An irregular narrow dark streak extends 9' to the northeast; another from its south side runs close to BD-4°4650 (7.4 mag). A small star in the northeast edge.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B127", "number": "127", "sort_key": 127, "common_name": null, "ra2000_deg": 285.3833333333333, "dec2000_deg": -5.45, "ra1875_deg": 283.71666666666664, "dec1875_deg": -5.616666666666667, "l_deg": 29.219, "b_deg": -4.722, "size_arcmin": null, "constellation": "Aql", "plates": [ 36, 37, 39 ], "description": "Irregular, diam. 4 1/2′. Very black in its southeast portion, diffused on the west side. B 127, 129, and 130 are connected in an irregular curve, convex to the west (see ibid., p. 7, and Plate IV for an account of visual observations, and a photograph of this object and of B 129).", "alt_descriptions": [], "cross_refs": [ "B129" ], "modern_images": [] }, { "id": "B128", "number": "128", "sort_key": 128, "common_name": null, "ra2000_deg": 285.4208333333333, "dec2000_deg": -4.583333333333333, "ra1875_deg": 283.7625, "dec1875_deg": -4.75, "l_deg": 30.011, "b_deg": -4.363, "size_arcmin": 10, "constellation": "Aql", "plates": [ 36, 37, 38, 39 ], "description": "Irregular, dusky, fairly well defined, diam. 10′. A narrow extension 13' long from the northeast side. A small star close southwest of it. This is in a larger vacant region.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B129", "number": "129", "sort_key": 129, "common_name": null, "ra2000_deg": 285.52083333333337, "dec2000_deg": -5.316666666666666, "ra1875_deg": 283.8541666666667, "dec1875_deg": -5.483333333333333, "l_deg": 29.4, "b_deg": -4.784, "size_arcmin": 5, "constellation": "Aql", "plates": [ 37, 39 ], "description": "Very black, sharply defined, diam. 5′, a small star at the W end. Somewhat rectangular in form with projections to the east. It is the blacker portion of a dark region 10' in diameter.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B130", "number": "130", "sort_key": 130, "common_name": null, "ra2000_deg": 285.48749999999995, "dec2000_deg": -5.583333333333333, "ra1875_deg": 283.8166666666667, "dec1875_deg": -5.75, "l_deg": 29.146, "b_deg": -4.875, "size_arcmin": null, "constellation": "Aql", "plates": [ 37 ], "description": "Dusky, not well defined, length 7′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B131", "number": "131", "sort_key": 131, "common_name": null, "ra2000_deg": 285.5666666666667, "dec2000_deg": -4.383333333333334, "ra1875_deg": 283.9125, "dec1875_deg": -4.55, "l_deg": 30.256, "b_deg": -4.403, "size_arcmin": null, "constellation": "Aql", "plates": [ 37, 38, 39 ], "description": "Black spot, about 2′ x 4′. This is a very small back spot with a small star on the north border and another on the south; a fine curve of six or seven very small stars runs northwest from its north edge. It is located at the northeast end of the narrow extension from B 128.", "alt_descriptions": [], "cross_refs": [ "B128" ], "modern_images": [] }, { "id": "B132", "number": "132", "sort_key": 132, "common_name": null, "ra2000_deg": 286.1166666666667, "dec2000_deg": -4.45, "ra1875_deg": 284.46250000000003, "dec1875_deg": -4.616666666666667, "l_deg": 30.445, "b_deg": -4.922, "size_arcmin": null, "constellation": "Aql", "plates": [ 37, 38 ], "description": "Dark, fairly well defined. Tadpole shaped; 16' long east and west. Diameter of the larger (east) part 8', with BD-4°4680 (9.0 mag) in center.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B133", "number": "133", "sort_key": 133, "common_name": null, "ra2000_deg": 286.55416666666673, "dec2000_deg": -6.9, "ra1875_deg": 284.87083333333334, "dec1875_deg": -7.083333333333333, "l_deg": 28.445, "b_deg": -6.414, "size_arcmin": null, "constellation": "Aql", "plates": [ 37, 39 ], "description": "Cometary, close W of BD-7°4852 (9.2 mag). This object begins very closely west of BD-7°4852 (9.2 mag). From this it gradually widens and curves north like a plume, with the convex side west, to a distance of about 18'. The south end is intensely black. The northern part is dark with four or five small stars in it (see ibid. pp. 7, 11, and Plate IV).", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B134", "number": "134", "sort_key": 134, "common_name": null, "ra2000_deg": 289.425, "dec2000_deg": -6.216666666666667, "ra1875_deg": 287.75, "dec1875_deg": -6.433333333333334, "l_deg": 30.349, "b_deg": -8.658, "size_arcmin": 6, "constellation": "Aql", "plates": [ 37, 39 ], "description": "Round, diam. 6′, dark but not sharply defined, a small star on S edge, a similar one on N edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B135", "number": "135", "sort_key": 135, "common_name": null, "ra2000_deg": 286.8875, "dec2000_deg": -3.9333333333333336, "ra1875_deg": 285.2375, "dec1875_deg": -4.116666666666666, "l_deg": 31.257, "b_deg": -5.374, "size_arcmin": 13, "constellation": "Aql", "plates": [ 37, 38, 39 ], "description": "Dusky spot, diam. 13′, BD-4°4698 (9.2 mag) on N border, BD-4°4702 (9.2 mag) on SE edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B136", "number": "136", "sort_key": 136, "common_name": null, "ra2000_deg": 287.2083333333333, "dec2000_deg": -4.016666666666667, "ra1875_deg": 285.55833333333334, "dec1875_deg": -4.2, "l_deg": 31.328, "b_deg": -5.697, "size_arcmin": 8, "constellation": "Aql", "plates": [ 37, 38, 39 ], "description": "Dusky spot, diam. 8′, 10 mag. star near middle", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B137", "number": "137", "sort_key": 137, "common_name": null, "ra2000_deg": 289.00416666666666, "dec2000_deg": -1.35, "ra1875_deg": 287.3833333333333, "dec1875_deg": -1.55, "l_deg": 34.536, "b_deg": -6.084, "size_arcmin": null, "constellation": "Aql", "plates": [ 39, 40 ], "description": "Projection near S end of B 138", "alt_descriptions": [], "cross_refs": [ "B138" ], "modern_images": [] }, { "id": "B138", "number": "138", "sort_key": 138, "common_name": null, "ra2000_deg": 289.1, "dec2000_deg": 0.21666666666666667, "ra1875_deg": 287.5, "dec1875_deg": -0, "l_deg": 35.98, "b_deg": -5.452, "size_arcmin": null, "constellation": "Aql", "plates": [ 38, 40 ], "description": "Great curved, semi-vacant lane over 3° in length. This great curved 'lane' extends from about α = 19h 12m, δ = -1°.6, its concave side to the east. Perhaps its most striking feature is the definiteness of its eastern outline. To the west it is less definite, and in the southern half it consists of dark branching structures which blend into a part of the Milky Way relatively dimmer than that to the east. The stars embraced by the curve to the east are much brighter or coarser than those to the west. The southern end terminates in the small black spot, B 139.", "alt_descriptions": [], "cross_refs": [ "B139" ], "modern_images": [] }, { "id": "B139", "number": "139", "sort_key": 139, "common_name": null, "ra2000_deg": 289.5041666666667, "dec2000_deg": -1.4166666666666667, "ra1875_deg": 287.8833333333334, "dec1875_deg": -1.6333333333333333, "l_deg": 34.705, "b_deg": -6.559, "size_arcmin": null, "constellation": "Aql", "plates": [ 39, 40 ], "description": "Narrow black spot, 10 mag. star on SE edge. This spot is at the southern end of B 138. It is comet shaped, about 4'x12'; very black and sharply defined on its south edge. This is apparently a real object.", "alt_descriptions": [], "cross_refs": [ "B138" ], "modern_images": [] }, { "id": "B140", "number": "140", "sort_key": 140, "common_name": null, "ra2000_deg": 289.95416666666665, "dec2000_deg": 5.216666666666667, "ra1875_deg": 288.41249999999997, "dec1875_deg": 5, "l_deg": 40.825, "b_deg": -3.9, "size_arcmin": 60, "constellation": "Aql", "plates": [], "description": "Semi-vacant region, diam. 1°", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B141", "number": "141", "sort_key": 141, "common_name": null, "ra2000_deg": 290.05, "dec2000_deg": 1.8833333333333333, "ra1875_deg": 288.46666666666664, "dec1875_deg": 1.6666666666666665, "l_deg": 37.906, "b_deg": -5.529, "size_arcmin": 20, "constellation": "Aql", "plates": [ 40 ], "description": "Semi-vacant region, N of the N end of B 138, diam. 20′", "alt_descriptions": [], "cross_refs": [ "B138" ], "modern_images": [] }, { "id": "B142", "number": "142", "sort_key": 142, "common_name": "Barnard's E", "ra2000_deg": 294.92499999999995, "dec2000_deg": 10.516666666666667, "ra1875_deg": 293.4375, "dec1875_deg": 10.233333333333333, "l_deg": 47.85, "b_deg": -5.721, "size_arcmin": null, "constellation": "Aql", "plates": [ 41 ], "description": "Large, irregular, about 40′ E and W, BD+10°4016 (8.7 mag) in E part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B143", "number": "143", "sort_key": 143, "common_name": "Barnard's E", "ra2000_deg": 295.35416666666663, "dec2000_deg": 11, "ra1875_deg": 293.875, "dec1875_deg": 10.716666666666667, "l_deg": 48.48, "b_deg": -5.855, "size_arcmin": null, "constellation": "Aql", "plates": [ 41 ], "description": "Rather narrow, angular marking, the outline of a square 1/2° in diameter, with the W side missing", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B144", "number": "144", "sort_key": 144, "common_name": null, "ra2000_deg": 299.67499999999995, "dec2000_deg": 35.333333333333336, "ra1875_deg": 298.5, "dec1875_deg": 35, "l_deg": 71.484, "b_deg": 3.077, "size_arcmin": null, "constellation": "Cyg", "plates": [ 43 ], "description": "Large, semi-vacant region, 6° x 3°, NE and SW, rather definite at NE end, diffused to the SE", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B145", "number": "145", "sort_key": 145, "common_name": null, "ra2000_deg": 300.7041666666667, "dec2000_deg": 37.68333333333333, "ra1875_deg": 299.56666666666666, "dec1875_deg": 37.333333333333336, "l_deg": 73.922, "b_deg": 3.607, "size_arcmin": null, "constellation": "Cyg", "plates": [ 43 ], "description": "Sharply defined, 3/4° long E and W. This is a triangular semi-vacant area. It is covered by a sprinkling of considerable small stars with the star BD+37°3736 (9.5 mag) in the center. BD+37°3735 (7.0 mag) is just north of the north edge and BD+37°3748 (8.7 mag) near the east end.", "alt_descriptions": [], "cross_refs": [], "modern_images": [ { "label": "Photograph by A. Fernández", "url": "https://web.archive.org/web/2021/http://afesan.es/user/cimage/B-145-final.jpg" } ] }, { "id": "B146", "number": "146", "sort_key": 146, "common_name": null, "ra2000_deg": 300.87083333333334, "dec2000_deg": 36.016666666666666, "ra1875_deg": 299.70416666666665, "dec1875_deg": 35.666666666666664, "l_deg": 72.577, "b_deg": 2.61, "size_arcmin": null, "constellation": "Cyg", "plates": [ 43 ], "description": "Very small, like a dark border to the SW side of the star BD+35°3930 (7.0 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B147", "number": "147", "sort_key": 147, "common_name": null, "ra2000_deg": 301.70833333333337, "dec2000_deg": 35.36666666666667, "ra1875_deg": 300.5291666666667, "dec1875_deg": 35.016666666666666, "l_deg": 72.392, "b_deg": 1.688, "size_arcmin": null, "constellation": "Cyg", "plates": [ 43 ], "description": "Very narrow sinuous dark lane 11′ long E and W, BD+34°3871 (8.3 mag) at W end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B148", "number": "148", "sort_key": 148, "common_name": null, "ra2000_deg": 311.93333333333334, "dec2000_deg": 59.63333333333333, "ra1875_deg": 311.20833333333337, "dec1875_deg": 59.166666666666664, "l_deg": 96.269, "b_deg": 10.067, "size_arcmin": 3, "constellation": "Cep", "plates": [ 47 ], "description": "Very small, round, indefinite, diam. 3′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B149", "number": "149", "sort_key": 149, "common_name": null, "ra2000_deg": 312.2625, "dec2000_deg": 59.53333333333333, "ra1875_deg": 311.52916666666664, "dec1875_deg": 59.06666666666667, "l_deg": 96.293, "b_deg": 9.874, "size_arcmin": 2, "constellation": "Cep", "plates": [ 47 ], "description": "Very small, round, indefinite, diam. 2′. This spot and B 148 each in a larger dusky space", "alt_descriptions": [], "cross_refs": [ "B148" ], "modern_images": [] }, { "id": "B150", "number": "150", "sort_key": 150, "common_name": "Seahorse Nebula", "ra2000_deg": 312.6708333333333, "dec2000_deg": 60.3, "ra1875_deg": 311.95833333333337, "dec1875_deg": 59.833333333333336, "l_deg": 97.033, "b_deg": 10.187, "size_arcmin": null, "constellation": "Cep", "plates": [ 47 ], "description": "Curved dark marking, 1° long. This curved marking, convex to the north, is much broken with darker masses. The position given is for its center. The star BD+59°2291 (8.0 mag) is close to its northeast edge. Its east end is in about α = 20h 51m 00s, δ = +59° 45'. The west end curves southward and ends near BD+59°2283 (8.2 mag) (see ibid., 43, 1-8, 1916, Plate I, and Proceedings of the National Academy of Sciences, 1, 394-96, 1915).", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B151", "number": "151", "sort_key": 151, "common_name": null, "ra2000_deg": 317.0583333333333, "dec2000_deg": 56.31666666666667, "ra1875_deg": 316.1666666666667, "dec1875_deg": 55.81666666666667, "l_deg": 95.473, "b_deg": 5.854, "size_arcmin": 1, "constellation": "Cep", "plates": [ 47, 49 ], "description": "Very small, very dark, diam. 1′, about 14′ N of BD+55°2529 (7.5 mag), apparently a real object in a slightly larger vacancy", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B152", "number": "152", "sort_key": 152, "common_name": null, "ra2000_deg": 318.625, "dec2000_deg": 61.733333333333334, "ra1875_deg": 317.875, "dec1875_deg": 61.21666666666667, "l_deg": 100.041, "b_deg": 8.932, "size_arcmin": null, "constellation": "Cep", "plates": [ 47 ], "description": "Small, 15′ x 3′ SE and NW. Close north of BD+61°2103 (8.0 mag). The west end is larger, with a small star in it. (In Astrophysical Journal, 43, 5, 1916, it is wrongly stated that this object is south of the BD star.)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B153", "number": "153", "sort_key": 153, "common_name": null, "ra2000_deg": 320.2625, "dec2000_deg": 56.45, "ra1875_deg": 319.33333333333337, "dec1875_deg": 55.916666666666664, "l_deg": 96.797, "b_deg": 4.66, "size_arcmin": 1, "constellation": "Cep", "plates": [ 47, 49 ], "description": "Black, irregular, diam. 1′, 5′ S of BD+55°2565 (7.4 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B154", "number": "154", "sort_key": 154, "common_name": null, "ra2000_deg": 320.34583333333336, "dec2000_deg": 56.61666666666667, "ra1875_deg": 319.41666666666674, "dec1875_deg": 56.083333333333336, "l_deg": 96.948, "b_deg": 4.745, "size_arcmin": null, "constellation": "Cep", "plates": [ 47, 49 ], "description": "Narrow, 8′ long NE and SW, BD+55°2565 (7.4 mag) at the S end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B155", "number": "155", "sort_key": 155, "common_name": null, "ra2000_deg": 323.03333333333336, "dec2000_deg": 44.96666666666667, "ra1875_deg": 321.85416666666663, "dec1875_deg": 44.416666666666664, "l_deg": 90.076, "b_deg": -4.817, "size_arcmin": 13, "constellation": "Cyg", "plates": [], "description": "Round, diam. 13′, indefinite, four small stars in a line crossing it E and W", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B156", "number": "156", "sort_key": 156, "common_name": null, "ra2000_deg": 323.4958333333334, "dec2000_deg": 45.583333333333336, "ra1875_deg": 322.3208333333334, "dec1875_deg": 45.03333333333333, "l_deg": 90.736, "b_deg": -4.586, "size_arcmin": null, "constellation": "Cyg", "plates": [], "description": "Diam. 8′, sharp pointed to N, BD+44°3865 (4.1 mag) in center", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B157", "number": "157", "sort_key": 157, "common_name": null, "ra2000_deg": 323.42083333333335, "dec2000_deg": 54.666666666666664, "ra1875_deg": 322.40833333333336, "dec1875_deg": 54.11666666666667, "l_deg": 96.849, "b_deg": 2.137, "size_arcmin": 5, "constellation": "Cyg", "plates": [ 48, 49 ], "description": "Round, diam 5′, 8′ ± W of BD+54°2576 (8.3 mag), a semi-circle of faint stars forms the western border", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B158", "number": "158", "sort_key": 158, "common_name": null, "ra2000_deg": 324.3041666666667, "dec2000_deg": 43.4, "ra1875_deg": 323.0916666666667, "dec1875_deg": 42.85, "l_deg": 89.684, "b_deg": -6.587, "size_arcmin": 3, "constellation": "Cyg", "plates": [], "description": "Dark spot, diam. 3′, similar to those in the region of B 159. There are some others N and W of this", "alt_descriptions": [], "cross_refs": [ "B159" ], "modern_images": [ { "label": "Photograph by A. Fernández", "url": "https://web.archive.org/web/2012/http://afesan.es/new-page-3.htm" } ] }, { "id": "B159", "number": "159", "sort_key": 159, "common_name": null, "ra2000_deg": 324.59166666666664, "dec2000_deg": 43.233333333333334, "ra1875_deg": 323.375, "dec1875_deg": 42.666666666666664, "l_deg": 89.728, "b_deg": -6.851, "size_arcmin": 25, "constellation": "Cyg", "plates": [], "description": "Irregular partially vacant region, diam 25′. This is the center of an irregular, partially vacant region 25' in diameter. It is suggestive of the presence of a dark or faint nebulosity, as there are several small darker spots in it. It lies 40' northwest of Nova Cygni of 1876, and involves the stars BD+42°4177 (5.2 mag), +42°4172 (8.4 mag), and 42°4164 (7.7 mag). It is somewhat extended east and west. A very long exposure on this region would doubtless be interesting.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B160", "number": "160", "sort_key": 160, "common_name": null, "ra2000_deg": 324.4958333333334, "dec2000_deg": 56.233333333333334, "ra1875_deg": 323.5, "dec1875_deg": 55.666666666666664, "l_deg": 98.354, "b_deg": 2.889, "size_arcmin": 31, "constellation": "Cep", "plates": [ 47, 49 ], "description": "Large, dark, irregular, diam. 31′ NE and SW. The east side is best defined with two dark projections from it 30' apart. An irregular, narrow, dark lane runs north from it for 2° to a large nebulous region", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B161", "number": "161", "sort_key": 161, "common_name": null, "ra2000_deg": 325.0916666666667, "dec2000_deg": 57.81666666666667, "ra1875_deg": 324.125, "dec1875_deg": 57.25, "l_deg": 99.649, "b_deg": 3.859, "size_arcmin": null, "constellation": "Cep", "plates": [ 47, 49 ], "description": "Small, black spot. This is one of the comet-shaped objects. The head is very sharp and black, 3' across. This extends north for some 3', then widens out into a less dense tail about 13' long.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B162", "number": "162", "sort_key": 162, "common_name": null, "ra2000_deg": 325.2875, "dec2000_deg": 56.31666666666667, "ra1875_deg": 324.28333333333336, "dec1875_deg": 55.75, "l_deg": 98.739, "b_deg": 2.661, "size_arcmin": null, "constellation": "Cep", "plates": [ 49 ], "description": "Very think, curved, dark strip, 13′ N and S, a curve of small stars on the SW end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B163", "number": "163", "sort_key": 163, "common_name": null, "ra2000_deg": 325.54166666666663, "dec2000_deg": 56.7, "ra1875_deg": 324.54166666666663, "dec1875_deg": 56.13333333333333, "l_deg": 99.097, "b_deg": 2.858, "size_arcmin": null, "constellation": "Cep", "plates": [ 49 ], "description": "Small, very black, pointed to the S, two dark streams running from this toward the N", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B164", "number": "164", "sort_key": 164, "common_name": null, "ra2000_deg": 326.62916666666666, "dec2000_deg": 51.083333333333336, "ra1875_deg": 325.5083333333333, "dec1875_deg": 50.516666666666666, "l_deg": 95.94, "b_deg": -1.832, "size_arcmin": null, "constellation": "Cyg", "plates": [ 48 ], "description": "V-shaped vacancy, 20′ N and S", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B165", "number": "165", "sort_key": 165, "common_name": null, "ra2000_deg": 327.23333333333335, "dec2000_deg": 60.21666666666667, "ra1875_deg": 326.29166666666663, "dec1875_deg": 59.63333333333333, "l_deg": 102.053, "b_deg": 4.968, "size_arcmin": null, "constellation": "Cep", "plates": [ 49 ], "description": "Length E and W 18′, width 1′, BD+59°2424 (7.8 mag) near the E end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B166", "number": "166", "sort_key": 166, "common_name": null, "ra2000_deg": 327.77083333333337, "dec2000_deg": 60.083333333333336, "ra1875_deg": 326.8166666666667, "dec1875_deg": 59.5, "l_deg": 102.175, "b_deg": 4.695, "size_arcmin": 5, "constellation": "Cep", "plates": [ 49 ], "description": "Round, diam 5′, small star on SW edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B167", "number": "167", "sort_key": 167, "common_name": null, "ra2000_deg": 327.9916666666667, "dec2000_deg": 60.06666666666667, "ra1875_deg": 327.03333333333336, "dec1875_deg": 59.483333333333334, "l_deg": 102.251, "b_deg": 4.612, "size_arcmin": 5, "constellation": "Cep", "plates": [ 49 ], "description": "Small, irregularly round, diam 5′, about 7′ N of BD+59°2427 (7.7 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B168", "number": "168", "sort_key": 168, "common_name": null, "ra2000_deg": 328.3333333333333, "dec2000_deg": 47.266666666666666, "ra1875_deg": 327.1333333333334, "dec1875_deg": 46.68333333333333, "l_deg": 94.374, "b_deg": -5.488, "size_arcmin": null, "constellation": "Cyg", "plates": [], "description": "Small nebula at the E end of dark lane. This nebula is 10' in diameter with over a dozen small stars of different magnitudes in it. There is no central condensation, nor does the nebula condense about any of the stars. There are some dark markings in it. The dark lane is 1°.7 long and 9' wide (see Lick Observatory Publications, 11, Plate 81).", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B169", "number": "169", "sort_key": 169, "common_name": null, "ra2000_deg": 329.7208333333333, "dec2000_deg": 58.766666666666666, "ra1875_deg": 328.69999999999993, "dec1875_deg": 58.166666666666664, "l_deg": 102.135, "b_deg": 3.047, "size_arcmin": 60, "constellation": "Cep", "plates": [ 49, 50 ], "description": "Elliptical black ring, diam 1°. This encloses an 'island' of small stars. The dark ring is broadest on its east side where its thickness is 22'. The northern part is very black and straight. BD+58°2371 (8.5 arcmin) is in the northeast part of the 'island' of stars.", "alt_descriptions": [ "Elliptical black ring, diam 1°. This encloses an 'island' of small stars. The dark ring is broadest on its east side where its thickness is 22'. The northern part is very black and straight. BD+58°2371 (8.5 mag) is in the northeast part of the 'island' of stars." ], "cross_refs": [], "modern_images": [] }, { "id": "B170", "number": "170", "sort_key": 170, "common_name": null, "ra2000_deg": 329.5125, "dec2000_deg": 58.96666666666667, "ra1875_deg": 328.5, "dec1875_deg": 58.36666666666667, "l_deg": 102.172, "b_deg": 3.271, "size_arcmin": null, "constellation": "Cep", "plates": [ 49, 50 ], "description": "Irregular black strip 26′ long NE and SW, 4′ wide. This is the northwest border of the island of small stars. It is sharply defined and darker than the sky.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B171", "number": "171", "sort_key": 171, "common_name": null, "ra2000_deg": 330.325, "dec2000_deg": 58.86666666666667, "ra1875_deg": 329.3, "dec1875_deg": 58.266666666666666, "l_deg": 102.445, "b_deg": 2.937, "size_arcmin": 19, "constellation": "Cep", "plates": [ 49, 50 ], "description": "Irregular broken region, diam. 19′, at the E end of the 'island' of small stars", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B173", "number": "173", "sort_key": 173, "common_name": null, "ra2000_deg": 331.8666666666667, "dec2000_deg": 59.666666666666664, "ra1875_deg": 330.83333333333337, "dec1875_deg": 59.06666666666667, "l_deg": 103.556, "b_deg": 3.113, "size_arcmin": null, "constellation": "Cep", "plates": [ 49, 50 ], "description": "Diam. 4′, rather definite, a small star on N edge and one on SW edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B174", "number": "174", "sort_key": 174, "common_name": null, "ra2000_deg": 331.82916666666665, "dec2000_deg": 59.06666666666667, "ra1875_deg": 330.78333333333336, "dec1875_deg": 58.46666666666667, "l_deg": 103.189, "b_deg": 2.637, "size_arcmin": null, "constellation": "Cep", "plates": [ 49, 50 ], "description": "Narrow, irregular, 19′ long NE and SW", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B175", "number": "175", "sort_key": 175, "common_name": null, "ra2000_deg": 333.5083333333333, "dec2000_deg": 69.93333333333334, "ra1875_deg": 332.75, "dec1875_deg": 69.31666666666666, "l_deg": 110.124, "b_deg": 11.079, "size_arcmin": 60, "constellation": "Cep", "plates": [], "description": "Large, diam. 1°, bright nebula in N part. This is a large dark spot, extended north and south, 62' in its largest diameter. In its upper part is the star BD+69°1231 (8.8 mag) which is nebulous. This is apparently a large dark nebula, the brighter part of which forms the star +69°1231. In Monthly Notices, 69 (December), 1908, Dr. Max Wolf gives a photograph of the nebula, stating that the object was discovered by Dr. Kopff at Heidelberg on October 12, 1908. It is conspicuous on a photograph of mine made with the Willard lens at the Lick Observatory, September 24, 1895, with 5h 00m exposure. It is also shown on a photograph of mine made with the Bruce telescope, July 20, 1904, with an exposure of 3h 01m. By inadvertence, reference to this object was omitted in Lick Observatory Publications, 11, where it is cut out by the matting in Plate 83.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B201", "number": "201", "sort_key": 201, "common_name": null, "ra2000_deg": 33.22916666666667, "dec2000_deg": 57.1, "ra1875_deg": 31.083333333333336, "dec1875_deg": 56.5, "l_deg": 133.858, "b_deg": -4.033, "size_arcmin": 10, "constellation": "Per", "plates": [ 1 ], "description": "Small, diam. 10′, 45′ W of N.G.C 869", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B202", "number": "202", "sort_key": 202, "common_name": null, "ra2000_deg": 51.40416666666666, "dec2000_deg": 30.533333333333335, "ra1875_deg": 49.5, "dec1875_deg": 29.833333333333332, "l_deg": 158.186, "b_deg": -21.586, "size_arcmin": null, "constellation": "Ari", "plates": [ 3 ], "description": "Elongated NW and SE, 33′ x 12′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B203", "number": "203", "sort_key": 203, "common_name": null, "ra2000_deg": 51.454166666666666, "dec2000_deg": 31.783333333333335, "ra1875_deg": 49.541666666666664, "dec1875_deg": 30.333333333333332, "l_deg": 157.426, "b_deg": -20.556, "size_arcmin": null, "constellation": "Ari", "plates": [ 3 ], "description": "Elongated E and W, BD+30°539 (9.0 mag) in N edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B204", "number": "204", "sort_key": 204, "common_name": null, "ra2000_deg": 52.11666666666667, "dec2000_deg": 30.2, "ra1875_deg": 50.208333333333336, "dec1875_deg": 29.75, "l_deg": 158.929, "b_deg": -21.483, "size_arcmin": 14, "constellation": "Ari", "plates": [ 3 ], "description": "Irregular, diam. 14′±, 15′ SW of BD+29°566 (6.8 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B205", "number": "205", "sort_key": 205, "common_name": null, "ra2000_deg": 52.125, "dec2000_deg": 31.116666666666667, "ra1875_deg": 50.208333333333336, "dec1875_deg": 30.666666666666668, "l_deg": 158.342, "b_deg": -20.748, "size_arcmin": null, "constellation": "Ari", "plates": [ 3 ], "description": "Two dark strips, 15′ long N and S, with BD+30°547 (9.3 mag) between them, close SW of BD+30°548 (neb.)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B206", "number": "206", "sort_key": 206, "common_name": null, "ra2000_deg": 52.28333333333333, "dec2000_deg": 30.2, "ra1875_deg": 50.375, "dec1875_deg": 29.75, "l_deg": 159.052, "b_deg": -21.396, "size_arcmin": 5, "constellation": "Ari", "plates": [ 3 ], "description": "Diffused, diam. 5′±", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B207", "number": "207", "sort_key": 207, "common_name": null, "ra2000_deg": 61.14166666666666, "dec2000_deg": 26.35, "ra1875_deg": 59.25, "dec1875_deg": 26, "l_deg": 168.015, "b_deg": -19.167, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Small black spot, elongated nearly N and S, 7′ N of BD+25°670 (8.3 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B208", "number": "208", "sort_key": 208, "common_name": null, "ra2000_deg": 62.88333333333333, "dec2000_deg": 25.166666666666668, "ra1875_deg": 61, "dec1875_deg": 24.833333333333332, "l_deg": 170.071, "b_deg": -18.881, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Darker spot in dark lane", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B209", "number": "209", "sort_key": 209, "common_name": null, "ra2000_deg": 63.09166666666667, "dec2000_deg": 28.333333333333332, "ra1875_deg": 61.166666666666664, "dec1875_deg": 28, "l_deg": 167.823, "b_deg": -16.541, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Center of a broad extension from B 7, toward the W", "alt_descriptions": [], "cross_refs": [ "B7" ], "modern_images": [] }, { "id": "B210", "number": "210", "sort_key": 210, "common_name": null, "ra2000_deg": 63.883333333333326, "dec2000_deg": 25.083333333333332, "ra1875_deg": 62.00000000000001, "dec1875_deg": 24.75, "l_deg": 170.793, "b_deg": -18.282, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Darker spot in dark lane", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B211", "number": "211", "sort_key": 211, "common_name": null, "ra2000_deg": 64.29583333333332, "dec2000_deg": 27.816666666666666, "ra1875_deg": 62.375000000000014, "dec1875_deg": 27.5, "l_deg": 168.98, "b_deg": -16.136, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "North end of dark lane running SE from B 7, extends from position given to α = 4h 20m 00s, δ = +25° 50′ (B 217)", "alt_descriptions": [], "cross_refs": [ "B7", "B217" ], "modern_images": [] }, { "id": "B212", "number": "212", "sort_key": 212, "common_name": null, "ra2000_deg": 64.80833333333332, "dec2000_deg": 25.316666666666666, "ra1875_deg": 62.91666666666667, "dec1875_deg": 25, "l_deg": 171.213, "b_deg": -17.511, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Darker spot in dark lane", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B213", "number": "213", "sort_key": 213, "common_name": null, "ra2000_deg": 65.29166666666667, "dec2000_deg": 27.066666666666666, "ra1875_deg": 63.37500000000001, "dec1875_deg": 26.75, "l_deg": 170.178, "b_deg": -16.004, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Dark spot in lane", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B214", "number": "214", "sort_key": 214, "common_name": null, "ra2000_deg": 65.47916666666666, "dec2000_deg": 28.566666666666666, "ra1875_deg": 63.54166666666667, "dec1875_deg": 28.25, "l_deg": 169.155, "b_deg": -14.862, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Diam. 5′, close N of BD+28°645 (9.1 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B215", "number": "215", "sort_key": 215, "common_name": null, "ra2000_deg": 65.8875, "dec2000_deg": 25.05, "ra1875_deg": 64, "dec1875_deg": 24.75, "l_deg": 172.108, "b_deg": -16.968, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Darker spot in dark lane", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B216", "number": "216", "sort_key": 216, "common_name": null, "ra2000_deg": 65.99583333333334, "dec2000_deg": 26.633333333333333, "ra1875_deg": 64.08333333333333, "dec1875_deg": 26.333333333333332, "l_deg": 170.952, "b_deg": -15.834, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Dark spot in lane", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B217", "number": "217", "sort_key": 217, "common_name": null, "ra2000_deg": 66.90833333333333, "dec2000_deg": 26.133333333333333, "ra1875_deg": 65, "dec1875_deg": 25.833333333333332, "l_deg": 171.906, "b_deg": -15.56, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Southeast end of dark lane running from B 7", "alt_descriptions": [], "cross_refs": [ "B7" ], "modern_images": [] }, { "id": "B218", "number": "218", "sort_key": 218, "common_name": null, "ra2000_deg": 67.03333333333335, "dec2000_deg": 26.3, "ra1875_deg": 65.125, "dec1875_deg": 26, "l_deg": 171.854, "b_deg": -15.366, "size_arcmin": 15, "constellation": "Tau", "plates": [ 5 ], "description": "Triangular, diam. 15′, extension to the E", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B219", "number": "219", "sort_key": 219, "common_name": null, "ra2000_deg": 68.70833333333334, "dec2000_deg": 29.6, "ra1875_deg": 66.75, "dec1875_deg": 29.333333333333332, "l_deg": 170.31, "b_deg": -12.075, "size_arcmin": null, "constellation": "Tau", "plates": [ 5 ], "description": "Partly vacant space, 55′ x 3°, NE and SW", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B220", "number": "220", "sort_key": 220, "common_name": null, "ra2000_deg": 70.37083333333334, "dec2000_deg": 26, "ra1875_deg": 68.45833333333334, "dec1875_deg": 25.75, "l_deg": 174.099, "b_deg": -13.284, "size_arcmin": 7, "constellation": "Tau", "plates": [ 5 ], "description": "Round, diam. 7′, feebler extension runs NW for 1°, BD+25°723 (8.3 mag) near W edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B221", "number": "221", "sort_key": 221, "common_name": null, "ra2000_deg": 71, "dec2000_deg": 31.75, "ra1875_deg": 69, "dec1875_deg": 31.5, "l_deg": 169.954, "b_deg": -9.179, "size_arcmin": null, "constellation": "Aur", "plates": [ 5 ], "description": "Partly vacant region, diam. about 3/4°", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B222", "number": "222", "sort_key": 222, "common_name": null, "ra2000_deg": 77.09583333333335, "dec2000_deg": 32.18333333333333, "ra1875_deg": 75.075, "dec1875_deg": 32, "l_deg": 172.835, "b_deg": -4.849, "size_arcmin": 10, "constellation": "Aur", "plates": [], "description": "Round, indefinite, diam. 10′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B223", "number": "223", "sort_key": 223, "common_name": null, "ra2000_deg": 80.36666666666666, "dec2000_deg": 8.333333333333334, "ra1875_deg": 78.66666666666667, "dec1875_deg": 8.2, "l_deg": 194.674, "b_deg": -15.712, "size_arcmin": 8, "constellation": "Ori", "plates": [ 6 ], "description": "Fan-shaped nebula, diam. 8′±. This nebula is close southwest of, and apparently attached to, BD+8°933 (6.5 mag). It is possibly the bright part of an obscuring nebula.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B224", "number": "224", "sort_key": 224, "common_name": null, "ra2000_deg": 80.97916666666667, "dec2000_deg": 10.633333333333333, "ra1875_deg": 79.25, "dec1875_deg": 10.5, "l_deg": 192.972, "b_deg": -13.995, "size_arcmin": 20, "constellation": "Ori", "plates": [ 6 ], "description": "Indefinite, diam. 20′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B225", "number": "225", "sort_key": 225, "common_name": null, "ra2000_deg": 82.24166666666666, "dec2000_deg": 11.616666666666667, "ra1875_deg": 80.5, "dec1875_deg": 11.5, "l_deg": 192.777, "b_deg": -12.425, "size_arcmin": null, "constellation": "Ori", "plates": [ 6 ], "description": "South end of extension running S for 35′ from B 30", "alt_descriptions": [], "cross_refs": [ "B30" ], "modern_images": [] }, { "id": "B226", "number": "226", "sort_key": 226, "common_name": null, "ra2000_deg": 84.14166666666665, "dec2000_deg": 33.71666666666667, "ra1875_deg": 82.08333333333333, "dec1875_deg": 33.61666666666667, "l_deg": 174.921, "b_deg": 0.891, "size_arcmin": 17, "constellation": "Aur", "plates": [ 7 ], "description": "Dark spot, diam. 17′, S of M 36", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B227", "number": "227", "sort_key": 227, "common_name": null, "ra2000_deg": 91.85, "dec2000_deg": 19.666666666666668, "ra1875_deg": 90, "dec1875_deg": 19.666666666666668, "l_deg": 190.503, "b_deg": -0.377, "size_arcmin": 12, "constellation": "Ori", "plates": [ 9 ], "description": "Round, diam. 12′, one or two faint stars in it", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B228", "number": "228", "sort_key": 228, "common_name": null, "ra2000_deg": 236.23333333333332, "dec2000_deg": -34.516666666666666, "ra1875_deg": 234.25, "dec1875_deg": -34.11666666666667, "l_deg": 338.982, "b_deg": 15.942, "size_arcmin": null, "constellation": "Lup", "plates": [], "description": "Large vacant region about 4° long NW and SE. This vacant region is about 4° long, extending from α = 15h 43m, δ = -35°30'. Its average width is about 1/2°. It is strongest marked at the north end. There are fragments of other dark markings several degrees west of this.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B229", "number": "229", "sort_key": 229, "common_name": null, "ra2000_deg": 244.4166666666667, "dec2000_deg": -27.316666666666666, "ra1875_deg": 242.50000000000003, "dec1875_deg": -27, "l_deg": 349.435, "b_deg": 16.402, "size_arcmin": null, "constellation": "Sco", "plates": [ 13 ], "description": "Indefinite, partially vacant region, diam. 3/4°", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B230", "number": "230", "sort_key": 230, "common_name": null, "ra2000_deg": 246.78750000000002, "dec2000_deg": -16.8, "ra1875_deg": 244.99999999999997, "dec1875_deg": -16.5, "l_deg": 359.324, "b_deg": 21.707, "size_arcmin": 60, "constellation": "Oph", "plates": [], "description": "Round, diam. about 1°", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B231", "number": "231", "sort_key": 231, "common_name": null, "ra2000_deg": 249.59583333333333, "dec2000_deg": -35.43333333333333, "ra1875_deg": 247.54166666666666, "dec1875_deg": -35.166666666666664, "l_deg": 346.359, "b_deg": 7.665, "size_arcmin": 30, "constellation": "Sco", "plates": [ 16 ], "description": "Dusky, diam. 30′, sharpest on W side, diffuses to the E", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B232", "number": "232", "sort_key": 232, "common_name": null, "ra2000_deg": 250.92916666666665, "dec2000_deg": -39.833333333333336, "ra1875_deg": 248.79166666666663, "dec1875_deg": -39.583333333333336, "l_deg": 343.722, "b_deg": 3.978, "size_arcmin": null, "constellation": "Sco", "plates": [ 16 ], "description": "Dusky, 10′ N and S, two small stars in it", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B233", "number": "233", "sort_key": 233, "common_name": null, "ra2000_deg": 251.18333333333334, "dec2000_deg": -35.416666666666664, "ra1875_deg": 249.125, "dec1875_deg": -35.166666666666664, "l_deg": 347.224, "b_deg": 6.697, "size_arcmin": null, "constellation": "Sco", "plates": [ 16 ], "description": "Diffused, 55′ N and S, 20′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B234", "number": "234", "sort_key": 234, "common_name": null, "ra2000_deg": 251.60833333333332, "dec2000_deg": -30.5, "ra1875_deg": 249.625, "dec1875_deg": -30.25, "l_deg": 351.265, "b_deg": 9.579, "size_arcmin": null, "constellation": "Sco", "plates": [ 15, 17 ], "description": "Narrow, nearly 1/2° long, 6′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B235", "number": "235", "sort_key": 235, "common_name": null, "ra2000_deg": 251.77083333333337, "dec2000_deg": -44.5, "ra1875_deg": 249.53333333333333, "dec1875_deg": -44.25, "l_deg": 340.581, "b_deg": 0.468, "size_arcmin": null, "constellation": "Sco", "plates": [ 16 ], "description": "Diam. 7′, elongated NE and SW, darkest part at SW end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B236", "number": "236", "sort_key": 236, "common_name": null, "ra2000_deg": 252.22083333333333, "dec2000_deg": -29.816666666666666, "ra1875_deg": 250.25, "dec1875_deg": -29.583333333333332, "l_deg": 352.142, "b_deg": 9.601, "size_arcmin": null, "constellation": "Sco", "plates": [ 15, 17 ], "description": "Center of system of indistinct dark lanes", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B237", "number": "237", "sort_key": 237, "common_name": null, "ra2000_deg": 252.22500000000002, "dec2000_deg": -29.983333333333334, "ra1875_deg": 250.25, "dec1875_deg": -29.75, "l_deg": 352.013, "b_deg": 9.493, "size_arcmin": null, "constellation": "Sco", "plates": [ 15, 17 ], "description": "Dark lane N of CD-30°13487 (8.0 mag). Beginning about 10' northwest of CD-30°13487 (8.0 mag) this dark lane runs northeast for 37' and then turns abruptly to the east for 18'.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B238", "number": "238", "sort_key": 238, "common_name": null, "ra2000_deg": 253.08749999999998, "dec2000_deg": -23.133333333333333, "ra1875_deg": 251.20833333333334, "dec1875_deg": -22.916666666666668, "l_deg": 357.983, "b_deg": 13.135, "size_arcmin": 13, "constellation": "Oph", "plates": [ 14, 18 ], "description": "Irregular, diam. 13′, BD-22°4232 (8.0 mag) on NW edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B239", "number": "239", "sort_key": 239, "common_name": null, "ra2000_deg": 253.74583333333334, "dec2000_deg": -31.133333333333333, "ra1875_deg": 251.75000000000003, "dec1875_deg": -30.916666666666668, "l_deg": 351.933, "b_deg": 7.752, "size_arcmin": null, "constellation": "Sco", "plates": [ 15, 17, 18 ], "description": "Curved, 15′ long, very black and narrow, rimmed with stars on S and E sides", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B240", "number": "240", "sort_key": 240, "common_name": null, "ra2000_deg": 254.82083333333338, "dec2000_deg": -35.36666666666667, "ra1875_deg": 252.75000000000003, "dec1875_deg": -35.166666666666664, "l_deg": 349.144, "b_deg": 4.429, "size_arcmin": 20, "constellation": "Sco", "plates": [ 16 ], "description": "Black, diam. 20′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B241", "number": "241", "sort_key": 241, "common_name": null, "ra2000_deg": 254.85833333333335, "dec2000_deg": -30.2, "ra1875_deg": 252.875, "dec1875_deg": -30, "l_deg": 353.269, "b_deg": 7.571, "size_arcmin": null, "constellation": "Oph", "plates": [ 15, 17, 18 ], "description": "Dusky, diffused, 18′ long E and W, 6′ wide, about 20′ W of M 62", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B242", "number": "242", "sort_key": 242, "common_name": null, "ra2000_deg": 256.275, "dec2000_deg": -32.43333333333333, "ra1875_deg": 254.25, "dec1875_deg": -32.25, "l_deg": 352.217, "b_deg": 5.256, "size_arcmin": null, "constellation": "Sco", "plates": [ 15, 17, 18 ], "description": "Dusky, elongated E and W, 30′ x 8′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B243", "number": "243", "sort_key": 243, "common_name": null, "ra2000_deg": 257.43749999999994, "dec2000_deg": -29.583333333333332, "ra1875_deg": 255.45833333333331, "dec1875_deg": -29.416666666666668, "l_deg": 355.115, "b_deg": 6.15, "size_arcmin": 25, "constellation": "Oph", "plates": [ 15, 17, 18 ], "description": "Very irregular, diam. 25′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B244", "number": "244", "sort_key": 244, "common_name": null, "ra2000_deg": 257.71250000000003, "dec2000_deg": -28.416666666666668, "ra1875_deg": 255.75, "dec1875_deg": -28.25, "l_deg": 356.208, "b_deg": 6.64, "size_arcmin": null, "constellation": "Oph", "plates": [ 15, 18, 20 ], "description": "Irregular, sharpest on W side, about 30′ long N and S, 20′ wide, from S end a narrow projection runs W for about 10′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B245", "number": "245", "sort_key": 245, "common_name": null, "ra2000_deg": 257.9791666666667, "dec2000_deg": -29.416666666666668, "ra1875_deg": 256, "dec1875_deg": -29.25, "l_deg": 355.529, "b_deg": 5.866, "size_arcmin": 8, "constellation": "Oph", "plates": [ 15, 17, 18 ], "description": "Round, diffused, diam. 8′, several bright stars in it", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B246", "number": "246", "sort_key": 246, "common_name": null, "ra2000_deg": 258.00416666666666, "dec2000_deg": -22.666666666666668, "ra1875_deg": 256.125, "dec1875_deg": -22.5, "l_deg": 1.098, "b_deg": 9.757, "size_arcmin": 15, "constellation": "Oph", "plates": [ 14, 18, 19, 20 ], "description": "Irregular, diam. about 15′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B247", "number": "247", "sort_key": 247, "common_name": null, "ra2000_deg": 258.275, "dec2000_deg": -30.266666666666666, "ra1875_deg": 256.2833333333333, "dec1875_deg": -30.1, "l_deg": 354.986, "b_deg": 5.162, "size_arcmin": 4, "constellation": "Sco", "plates": [ 15, 17, 18 ], "description": "Black, diam. 4′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B248", "number": "248", "sort_key": 248, "common_name": null, "ra2000_deg": 258.26666666666665, "dec2000_deg": -29, "ra1875_deg": 256.29166666666663, "dec1875_deg": -28.833333333333332, "l_deg": 356.017, "b_deg": 5.905, "size_arcmin": null, "constellation": "Oph", "plates": [ 15, 17, 18 ], "description": "Irregular, 10′ E and W", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B249", "number": "249", "sort_key": 249, "common_name": null, "ra2000_deg": 258.26666666666665, "dec2000_deg": -29.166666666666668, "ra1875_deg": 256.29166666666663, "dec1875_deg": -29, "l_deg": 355.88, "b_deg": 5.808, "size_arcmin": null, "constellation": "Oph", "plates": [ 15, 17, 18 ], "description": "Very thin short black line, 5′ long, 20'± wide, 25′ NW of N.G.C. 6304, small star at NE end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B250", "number": "250", "sort_key": 250, "common_name": null, "ra2000_deg": 258.25416666666666, "dec2000_deg": -28.416666666666668, "ra1875_deg": 256.29166666666663, "dec1875_deg": -28.25, "l_deg": 356.488, "b_deg": 6.253, "size_arcmin": 15, "constellation": "Oph", "plates": [ 15, 18, 20, 21 ], "description": "Diffused, diam. 15′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B251", "number": "251", "sort_key": 251, "common_name": null, "ra2000_deg": 258.44999999999993, "dec2000_deg": -20.166666666666668, "ra1875_deg": 256.6041666666667, "dec1875_deg": -20, "l_deg": 3.427, "b_deg": 10.839, "size_arcmin": null, "constellation": "Oph", "plates": [ 19 ], "description": "Dusky, elongated NE and SW, 20′ x 5′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B252", "number": "252", "sort_key": 252, "common_name": null, "ra2000_deg": 258.825, "dec2000_deg": -32.166666666666664, "ra1875_deg": 256.8, "dec1875_deg": -32, "l_deg": 353.71, "b_deg": 3.674, "size_arcmin": null, "constellation": "Sco", "plates": [ 15, 17, 18 ], "description": "Triangular, 20′ N and S, eastern side diffused. Abrupt dark marking in a bright, apparently nebulous, region. CD-31°13763 (7.7 mag) near northeast end.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B253", "number": "253", "sort_key": 253, "common_name": null, "ra2000_deg": 258.87916666666666, "dec2000_deg": -22.566666666666666, "ra1875_deg": 257, "dec1875_deg": -22.416666666666668, "l_deg": 1.648, "b_deg": 9.151, "size_arcmin": null, "constellation": "Oph", "plates": [ 19, 20 ], "description": "Irregular dark region, diam. Nearly 1°, BD-22°4307 (8.8 mag) in western part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B254", "number": "254", "sort_key": 254, "common_name": null, "ra2000_deg": 260.1208333333333, "dec2000_deg": -30.15, "ra1875_deg": 258.125, "dec1875_deg": -30, "l_deg": 356.003, "b_deg": 3.924, "size_arcmin": null, "constellation": "Oph", "plates": [ 18 ], "description": "Irregular, diffused, elongated E and W, 1° x 20′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B255", "number": "255", "sort_key": 255, "common_name": null, "ra2000_deg": 260.1458333333333, "dec2000_deg": -23.483333333333334, "ra1875_deg": 258.25, "dec1875_deg": -23.333333333333332, "l_deg": 1.547, "b_deg": 7.671, "size_arcmin": 5, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Dusky, diam. 5′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B256", "number": "256", "sort_key": 256, "common_name": null, "ra2000_deg": 260.55, "dec2000_deg": -28.833333333333332, "ra1875_deg": 258.575, "dec1875_deg": -28.7, "l_deg": 357.303, "b_deg": 4.362, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 21, 22 ], "description": "Very irregular and diffused, 50′ E and W, BD-28°13101 (7.7 mag) near E end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B257", "number": "257", "sort_key": 257, "common_name": null, "ra2000_deg": 260.69166666666666, "dec2000_deg": -35.63333333333333, "ra1875_deg": 258.60416666666663, "dec1875_deg": -35.5, "l_deg": 351.757, "b_deg": 0.417, "size_arcmin": 15, "constellation": "Sco", "plates": [ 22 ], "description": "Dusky spot, diam. 15′, about 10′ NW of CD-35°11505 (6.7 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B258", "number": "258", "sort_key": 258, "common_name": null, "ra2000_deg": 260.7375, "dec2000_deg": -34.733333333333334, "ra1875_deg": 258.6666666666667, "dec1875_deg": -34.6, "l_deg": 352.52, "b_deg": 0.896, "size_arcmin": 40, "constellation": "Sco", "plates": [ 22 ], "description": "Irregular area of dark markings, diam. 40′±", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B259", "number": "259", "sort_key": 259, "common_name": null, "ra2000_deg": 260.50416666666666, "dec2000_deg": -19.3, "ra1875_deg": 258.6666666666667, "dec1875_deg": -19.166666666666668, "l_deg": 5.254, "b_deg": 9.717, "size_arcmin": null, "constellation": "Oph", "plates": [ 19 ], "description": "Irregular dark area, diam 1/2°, BD-19°4605 (6.5 mag) on W border, BD-19°4617 (7.8 mag) in E part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B260", "number": "260", "sort_key": 260, "common_name": null, "ra2000_deg": 261.20416666666665, "dec2000_deg": -25.633333333333333, "ra1875_deg": 259.275, "dec1875_deg": -25.5, "l_deg": 0.291, "b_deg": 5.672, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 20, 21 ], "description": "Diffused, elongated N and S, 12′ x 7′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B261", "number": "261", "sort_key": 261, "common_name": null, "ra2000_deg": 261.2666666666667, "dec2000_deg": -23.05, "ra1875_deg": 259.375, "dec1875_deg": -22.916666666666668, "l_deg": 2.487, "b_deg": 7.056, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Elongated E and W, 14′ x 5′, diffused on S side, reaching almost to CD-23°13378 (7.6 mag), about 18′ SE of the center", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B262", "number": "262", "sort_key": 262, "common_name": null, "ra2000_deg": 261.3833333333334, "dec2000_deg": -22.633333333333333, "ra1875_deg": 259.5, "dec1875_deg": -22.5, "l_deg": 2.897, "b_deg": 7.196, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Large dark region, diam. 1/2°, diffused except on N border. A hooklike projection from the west side, with the star BD-22°4338 (9.6 mag) on west edge of this hook.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B263", "number": "263", "sort_key": 263, "common_name": null, "ra2000_deg": 261.73333333333335, "dec2000_deg": -42.8, "ra1875_deg": 259.5, "dec1875_deg": -42.666666666666664, "l_deg": 346.271, "b_deg": -4.27, "size_arcmin": null, "constellation": "Sco", "plates": [ 16 ], "description": "Diam. 30′ NE and SW", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B264", "number": "264", "sort_key": 264, "common_name": null, "ra2000_deg": 261.8, "dec2000_deg": -25.533333333333335, "ra1875_deg": 259.875, "dec1875_deg": -25.416666666666668, "l_deg": 0.674, "b_deg": 5.28, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 20, 21 ], "description": "Narrow, black, 10′ E and W, bends N at E end, 15′ W of CD-25°12179 (7.3 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B265", "number": "265", "sort_key": 265, "common_name": null, "ra2000_deg": 261.90000000000003, "dec2000_deg": -25.2, "ra1875_deg": 259.9791666666667, "dec1875_deg": -25.083333333333332, "l_deg": 1.003, "b_deg": 5.388, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 19, 20, 21 ], "description": "Irregular, 18′ N and S, 7′ wide, diffused on E side, about 5′ W of CD-25°12171 (9.2 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B266", "number": "266", "sort_key": 266, "common_name": null, "ra2000_deg": 262.02916666666664, "dec2000_deg": -20.95, "ra1875_deg": 260.1666666666667, "dec1875_deg": -20.833333333333332, "l_deg": 4.649, "b_deg": 7.615, "size_arcmin": null, "constellation": "Oph", "plates": [ 19, 20 ], "description": "Curved, 30′ long NE and SW, BD-20°4775 (7.8 arcmin) just S of S edge", "alt_descriptions": [ "Curved, 30′ long NE and SW, BD-20°4775 (7.8 mag) just S of S edge" ], "cross_refs": [], "modern_images": [] }, { "id": "B267", "number": "267", "sort_key": 267, "common_name": null, "ra2000_deg": 262.12916666666666, "dec2000_deg": -25.233333333333334, "ra1875_deg": 260.2083333333333, "dec1875_deg": -25.116666666666667, "l_deg": 1.09, "b_deg": 5.197, "size_arcmin": null, "constellation": "Oph", "plates": [ 18, 20, 21 ], "description": "Small very black, elongated NW and SE, 5′ x 3′, CD-25°12177 (9.3 mag) at NW end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B268", "number": "268", "sort_key": 268, "common_name": null, "ra2000_deg": 262.8583333333333, "dec2000_deg": -20.533333333333335, "ra1875_deg": 261, "dec1875_deg": -20.416666666666668, "l_deg": 5.425, "b_deg": 7.188, "size_arcmin": null, "constellation": "Oph", "plates": [ 19, 20, 23 ], "description": "Irregular dark area, 1 3/4° N and S, 50′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B269", "number": "269", "sort_key": 269, "common_name": null, "ra2000_deg": 263.05416666666673, "dec2000_deg": -22.766666666666666, "ra1875_deg": 261.1666666666667, "dec1875_deg": -22.666666666666668, "l_deg": 3.631, "b_deg": 5.831, "size_arcmin": null, "constellation": "Oph", "plates": [ 19, 20, 21, 23 ], "description": "Dusky region 1° long NW and SE, BD-22°4369 (7.5 mag) near SE end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B270", "number": "270", "sort_key": 270, "common_name": null, "ra2000_deg": 263.17916666666673, "dec2000_deg": -19.6, "ra1875_deg": 261.33333333333337, "dec1875_deg": -19.5, "l_deg": 6.382, "b_deg": 7.435, "size_arcmin": 11, "constellation": "Oph", "plates": [ 19, 23 ], "description": "Round, diam. 11′, in NE part of B 268", "alt_descriptions": [], "cross_refs": [ "B268" ], "modern_images": [] }, { "id": "B271", "number": "271", "sort_key": 271, "common_name": null, "ra2000_deg": 263.56666666666666, "dec2000_deg": -34.266666666666666, "ra1875_deg": 261.5, "dec1875_deg": -34.166666666666664, "l_deg": 354.201, "b_deg": -0.787, "size_arcmin": null, "constellation": "Sco", "plates": [ 22, 24 ], "description": "Dusky, curved, 2° N and S, 10′± wide, CD-33°12241 (8.7 mag) near N end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B272", "number": "272", "sort_key": 272, "common_name": null, "ra2000_deg": 264.40000000000003, "dec2000_deg": -23.416666666666668, "ra1875_deg": 262.5, "dec1875_deg": -23.333333333333332, "l_deg": 3.746, "b_deg": 4.438, "size_arcmin": null, "constellation": "Oph", "plates": [ 20, 21, 23 ], "description": "Region of irregular dark markings, diam. 3/4°, CD-23°13469 (8.0 mag) near middle", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B273", "number": "273", "sort_key": 273, "common_name": null, "ra2000_deg": 264.6208333333333, "dec2000_deg": -33.35, "ra1875_deg": 262.56666666666666, "dec1875_deg": -33.266666666666666, "l_deg": 355.445, "b_deg": -1.031, "size_arcmin": 15, "constellation": "Sco", "plates": [ 22, 24 ], "description": "Dark spot at N end of B 271, diam. 15′", "alt_descriptions": [], "cross_refs": [ "B271" ], "modern_images": [] }, { "id": "B274", "number": "274", "sort_key": 274, "common_name": null, "ra2000_deg": 264.5125, "dec2000_deg": -22.733333333333334, "ra1875_deg": 262.625, "dec1875_deg": -22.65, "l_deg": 4.382, "b_deg": 4.713, "size_arcmin": null, "constellation": "Oph", "plates": [ 20, 21, 23 ], "description": "Triangular, definite, 18′ N and S, BD-22°4383 (7.5 mag) in N end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B275", "number": "275", "sort_key": 275, "common_name": null, "ra2000_deg": 264.74583333333334, "dec2000_deg": -32.333333333333336, "ra1875_deg": 262.7083333333333, "dec1875_deg": -32.25, "l_deg": 356.361, "b_deg": -0.578, "size_arcmin": 13, "constellation": "Sco", "plates": [ 22, 24 ], "description": "Round, diam. 13′, about 20′ W of M 6", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B276", "number": "276", "sort_key": 276, "common_name": null, "ra2000_deg": 264.91249999999997, "dec2000_deg": -19.833333333333332, "ra1875_deg": 263.0625, "dec1875_deg": -19.75, "l_deg": 7.053, "b_deg": 5.927, "size_arcmin": null, "constellation": "Oph", "plates": [ 20, 23, 25 ], "description": "Broken region of dark markings, diam 3/4°, BD-19°4677 (8.3 mag) in NW part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B277", "number": "277", "sort_key": 277, "common_name": null, "ra2000_deg": 265.1875, "dec2000_deg": -23.083333333333332, "ra1875_deg": 263.29166666666663, "dec1875_deg": -23, "l_deg": 4.414, "b_deg": 4, "size_arcmin": null, "constellation": "Oph", "plates": [ 20, 21, 23 ], "description": "Narrow, 18′ long E and W, BD-22°4387 (8.3 arcmin) at W end. A less distinct branch running 30′± to the SE forms a large V, open to the E", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B278", "number": "278", "sort_key": 278, "common_name": null, "ra2000_deg": 265.6625, "dec2000_deg": -32.333333333333336, "ra1875_deg": 263.625, "dec1875_deg": -32.25, "l_deg": 356.771, "b_deg": -1.235, "size_arcmin": 15, "constellation": "Sco", "plates": [ 22, 24 ], "description": "Round, diam. 15′, about 30′ E of M 6", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B279", "number": "279", "sort_key": 279, "common_name": null, "ra2000_deg": 266.1375, "dec2000_deg": -22.566666666666666, "ra1875_deg": 264.25, "dec1875_deg": -22.5, "l_deg": 5.314, "b_deg": 3.525, "size_arcmin": 60, "constellation": "Sgr", "plates": [ 21, 23 ], "description": "Irregular dark area, diam. 1°, BD-22°4405 (7.3 mag) near N edge, BD-22°4411 (8.7 amag) in E part", "alt_descriptions": [ "Irregular dark area, diam. 1°, BD-22°4405 (7.3 mag) near N edge, BD-22°4411 (8.7 mag) in E part" ], "cross_refs": [], "modern_images": [] }, { "id": "B280", "number": "280", "sort_key": 280, "common_name": null, "ra2000_deg": 266.2375, "dec2000_deg": -20.733333333333334, "ra1875_deg": 264.375, "dec1875_deg": -20.666666666666668, "l_deg": 6.933, "b_deg": 4.397, "size_arcmin": 60, "constellation": "Sgr", "plates": [ 23, 25 ], "description": "Irregular dusky area, diam. 1°±", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B281", "number": "281", "sort_key": 281, "common_name": null, "ra2000_deg": 266.6958333333333, "dec2000_deg": -23.733333333333334, "ra1875_deg": 264.79166666666663, "dec1875_deg": -23.666666666666668, "l_deg": 4.582, "b_deg": 2.48, "size_arcmin": null, "constellation": "Sgr", "plates": [ 21, 23 ], "description": "Dark loop close E of CD-23°13548 (8.1 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B282", "number": "282", "sort_key": 282, "common_name": null, "ra2000_deg": 267.15000000000003, "dec2000_deg": -23.466666666666665, "ra1875_deg": 265.25, "dec1875_deg": -23.416666666666668, "l_deg": 5.026, "b_deg": 2.262, "size_arcmin": null, "constellation": "Sgr", "plates": [ 23 ], "description": "18′ long NE and SW, sharp on NW side, CD-23°13589 (8.0 mag) near NE end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B283", "number": "283", "sort_key": 283, "common_name": null, "ra2000_deg": 267.8166666666667, "dec2000_deg": -33.88333333333333, "ra1875_deg": 265.75, "dec1875_deg": -33.833333333333336, "l_deg": 356.378, "b_deg": -3.581, "size_arcmin": null, "constellation": "Sco", "plates": [ 22, 24, 26, 28 ], "description": "Irregular, dusky area, 1 1/2°± E and W, 1° N and S", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B284", "number": "284", "sort_key": 284, "common_name": null, "ra2000_deg": 267.52916666666664, "dec2000_deg": -14.383333333333333, "ra1875_deg": 265.75, "dec1875_deg": -14.333333333333334, "l_deg": 13.049, "b_deg": 6.584, "size_arcmin": null, "constellation": "Ser", "plates": [ 25 ], "description": "Curved, 35′ NE and SW, 5′ wide, outline sharp except at SW end, BD-14°4780 (8.0 mag) about 5′ NW of the center", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B285", "number": "285", "sort_key": 285, "common_name": null, "ra2000_deg": 267.6333333333333, "dec2000_deg": -12.883333333333333, "ra1875_deg": 266.125, "dec1875_deg": -12.833333333333334, "l_deg": 14.407, "b_deg": 7.249, "size_arcmin": 15, "constellation": "Ser", "plates": [ 25 ], "description": "Diffused, diam. 15′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B286", "number": "286", "sort_key": 286, "common_name": null, "ra2000_deg": 268.2625, "dec2000_deg": -35.63333333333333, "ra1875_deg": 266.1666666666667, "dec1875_deg": -35.583333333333336, "l_deg": 355.05, "b_deg": -4.782, "size_arcmin": 15, "constellation": "Sco", "plates": [ 22, 24, 28 ], "description": "Diffused, diam. 15′±, CD-35°12013 (7.1 mag) in SW part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B287", "number": "287", "sort_key": 287, "common_name": null, "ra2000_deg": 268.61249999999995, "dec2000_deg": -35.21666666666667, "ra1875_deg": 266.5208333333333, "dec1875_deg": -35.166666666666664, "l_deg": 355.555, "b_deg": -4.819, "size_arcmin": null, "constellation": "Sco", "plates": [ 22, 24, 28 ], "description": "Irregular, semi-vacancy, diam. 1/2°±, SE of M 7", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B288", "number": "288", "sort_key": 288, "common_name": null, "ra2000_deg": 269.275, "dec2000_deg": -37.1, "ra1875_deg": 267.15000000000003, "dec1875_deg": -37.06666666666667, "l_deg": 354.18, "b_deg": -6.219, "size_arcmin": 2, "constellation": "Sco", "plates": [ 24 ], "description": "Black, diam. 2′, diffuses toward NE, 25′ SW of CD-36°12060 (6.3 arcmin)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B289", "number": "289", "sort_key": 289, "common_name": null, "ra2000_deg": 269.15416666666664, "dec2000_deg": -29.033333333333335, "ra1875_deg": 267.1666666666667, "dec1875_deg": -29, "l_deg": 1.146, "b_deg": -2.117, "size_arcmin": null, "constellation": "Sgr", "plates": [ 22, 26, 27 ], "description": "Dark space between star clouds, about 7′ x 35′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B290", "number": "290", "sort_key": 290, "common_name": null, "ra2000_deg": 269.8375, "dec2000_deg": -37.166666666666664, "ra1875_deg": 267.7083333333333, "dec1875_deg": -37.13333333333333, "l_deg": 354.342, "b_deg": -6.642, "size_arcmin": 3, "constellation": "CrA", "plates": [ 24 ], "description": "Very small, diam. 3′±, extends N faintly for 25′, to and beyond CD-36°12060 (6.3 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B291", "number": "291", "sort_key": 291, "common_name": null, "ra2000_deg": 269.9291666666667, "dec2000_deg": -33.916666666666664, "ra1875_deg": 267.8625, "dec1875_deg": -33.88333333333333, "l_deg": 357.228, "b_deg": -5.116, "size_arcmin": 5, "constellation": "Sgr", "plates": [ 24, 26, 28 ], "description": "Small, round, black, diam 5′. CD-33°12697 (8.3 arcmin) is on the east edge of this spot; a very faint star in the center. A dark lane 2' wide runs southerly from the spot for a distance of 25' and ends in a dark broken region. From the eastern side of the lane, 8' south of the star, a similar dark lane runs easterly, then north, for 35', ending in the broken region B 292.", "alt_descriptions": [], "cross_refs": [ "B292" ], "modern_images": [] }, { "id": "B292", "number": "292", "sort_key": 292, "common_name": null, "ra2000_deg": 270.14166666666665, "dec2000_deg": -33.35, "ra1875_deg": 268.08333333333337, "dec1875_deg": -33.333333333333336, "l_deg": 357.811, "b_deg": -4.992, "size_arcmin": 60, "constellation": "Sgr", "plates": [ 24, 26, 28 ], "description": "Irregular, broken, dark region, diam 1°±", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B293", "number": "293", "sort_key": 293, "common_name": null, "ra2000_deg": 270.3041666666667, "dec2000_deg": -35.35, "ra1875_deg": 268.20833333333337, "dec1875_deg": -35.333333333333336, "l_deg": 356.123, "b_deg": -6.086, "size_arcmin": null, "constellation": "Sgr", "plates": [ 24, 28 ], "description": "Dusky, curved, like an inverted U, 18′ across, CD-35°21259 (8.5 arcmin) near the center", "alt_descriptions": [ "Dusky, curved, like an inverted U, 18′ across, CD-35°21259 (8.5 mag) near the center" ], "cross_refs": [], "modern_images": [] }, { "id": "B294", "number": "294", "sort_key": 294, "common_name": null, "ra2000_deg": 270.375, "dec2000_deg": -28.616666666666667, "ra1875_deg": 268.3958333333333, "dec1875_deg": -28.6, "l_deg": 2.04, "b_deg": -2.837, "size_arcmin": 3, "constellation": "Sgr", "plates": [ 26, 27, 30 ], "description": "Definite, diam. 3′, star in SW part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B295", "number": "295", "sort_key": 295, "common_name": null, "ra2000_deg": 271.02083333333337, "dec2000_deg": -31.183333333333334, "ra1875_deg": 269, "dec1875_deg": -31.166666666666668, "l_deg": 0.072, "b_deg": -4.582, "size_arcmin": 50, "constellation": "Sgr", "plates": [ 24, 26, 27, 28 ], "description": "Irregular, dark region, diam. 50′, full of rich soft details of an apparently nebulous character", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B296", "number": "296", "sort_key": 296, "common_name": null, "ra2000_deg": 271.01666666666665, "dec2000_deg": -24.55, "ra1875_deg": 269.1, "dec1875_deg": -24.533333333333335, "l_deg": 5.866, "b_deg": -1.336, "size_arcmin": null, "constellation": "Sgr", "plates": [ 29, 30 ], "description": "Narrow, black, 6′ x 1′, on S edge of M 8", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B297", "number": "297", "sort_key": 297, "common_name": null, "ra2000_deg": 271.0875, "dec2000_deg": -18.766666666666666, "ra1875_deg": 269.25, "dec1875_deg": -18.75, "l_deg": 10.937, "b_deg": 1.445, "size_arcmin": null, "constellation": "Sgr", "plates": [ 25, 29, 31 ], "description": "Region of irregular dark markings, 2° E of M 23, covers an area 1 1/2° E and W and about 1° N and S", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B298", "number": "298", "sort_key": 298, "common_name": null, "ra2000_deg": 271.2958333333333, "dec2000_deg": -30.116666666666667, "ra1875_deg": 269.29166666666663, "dec1875_deg": -30.1, "l_deg": 1.123, "b_deg": -4.271, "size_arcmin": 4, "constellation": "Sgr", "plates": [ 26, 27, 28 ], "description": "Small, diam. 4′, 5′ SE of N.G.C. 6528", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B299", "number": "299", "sort_key": 299, "common_name": null, "ra2000_deg": 271.58333333333337, "dec2000_deg": -27.3, "ra1875_deg": 269.62499999999994, "dec1875_deg": -27.3, "l_deg": 3.713, "b_deg": -3.124, "size_arcmin": null, "constellation": "Sgr", "plates": [ 26, 27, 30 ], "description": "Several small spots in star cloud, each about 3′ in diameter", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B300", "number": "300", "sort_key": 300, "common_name": null, "ra2000_deg": 271.75416666666666, "dec2000_deg": -32.666666666666664, "ra1875_deg": 269.7083333333333, "dec1875_deg": -32.666666666666664, "l_deg": 359.069, "b_deg": -5.843, "size_arcmin": null, "constellation": "Sgr", "plates": [ 24, 26, 27, 28 ], "description": "Broken dark region about 30′ E of B 87", "alt_descriptions": [], "cross_refs": [ "B87" ], "modern_images": [] }, { "id": "B301", "number": "301", "sort_key": 301, "common_name": null, "ra2000_deg": 272.21250000000003, "dec2000_deg": -18.716666666666665, "ra1875_deg": 270.375, "dec1875_deg": -18.716666666666665, "l_deg": 11.5, "b_deg": 0.54, "size_arcmin": null, "constellation": "Sgr", "plates": [ 25, 29, 31 ], "description": "Dusky lane, 45′± long NE and SW, 2′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B302", "number": "302", "sort_key": 302, "common_name": null, "ra2000_deg": 272.3083333333333, "dec2000_deg": -23.983333333333334, "ra1875_deg": 270.3958333333333, "dec1875_deg": -23.983333333333334, "l_deg": 6.934, "b_deg": -2.089, "size_arcmin": null, "constellation": "Sgr", "plates": [ 29, 30 ], "description": "Dark spot, diam. About 1/2′, close N of CD-24°13962 (7.8 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B303", "number": "303", "sort_key": 303, "common_name": null, "ra2000_deg": 272.3708333333333, "dec2000_deg": -24.016666666666666, "ra1875_deg": 270.4583333333333, "dec1875_deg": -24.016666666666666, "l_deg": 6.933, "b_deg": -2.155, "size_arcmin": null, "constellation": "Sgr", "plates": [ 29, 30 ], "description": "Very black, lune shaped, convex to E, diam. About 1′, 3′ SE of CD-24°13962 (7.8 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B304", "number": "304", "sort_key": 304, "common_name": null, "ra2000_deg": 273.3375, "dec2000_deg": -18.733333333333334, "ra1875_deg": 271.5, "dec1875_deg": -18.75, "l_deg": 11.999, "b_deg": -0.402, "size_arcmin": null, "constellation": "Sgr", "plates": [ 25, 29, 31, 32 ], "description": "Dusky lanes in star cloud extending toward the SW from B 92 for 1 1/2 °", "alt_descriptions": [], "cross_refs": [ "B92" ], "modern_images": [] }, { "id": "B305", "number": "305", "sort_key": 305, "common_name": null, "ra2000_deg": 273.65833333333336, "dec2000_deg": -31.816666666666666, "ra1875_deg": 271.625, "dec1875_deg": -31.833333333333332, "l_deg": 0.589, "b_deg": -6.861, "size_arcmin": 13, "constellation": "Sgr", "plates": [ 26, 27, 28 ], "description": "Dark, irregular, diam 13′. Dark streamers radiate from this spot to the north for more than 3/4° and broken ones for 1/2° toward the southwest.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B306", "number": "306", "sort_key": 306, "common_name": null, "ra2000_deg": 273.9375, "dec2000_deg": -25.733333333333334, "ra1875_deg": 272, "dec1875_deg": -25.75, "l_deg": 6.102, "b_deg": -4.223, "size_arcmin": null, "constellation": "Sgr", "plates": [ 30, 33 ], "description": "Small, narrow, black, 4′ long NE and SW, CD-25°12920 (8.2 mag) 5′ SW of W end, similar to B 249", "alt_descriptions": [], "cross_refs": [ "B249" ], "modern_images": [] }, { "id": "B307", "number": "307", "sort_key": 307, "common_name": null, "ra2000_deg": 274.65833333333336, "dec2000_deg": -17.966666666666665, "ra1875_deg": 272.83333333333337, "dec1875_deg": -18, "l_deg": 13.27, "b_deg": -1.14, "size_arcmin": null, "constellation": "Sgr", "plates": [ 29, 31, 32, 34 ], "description": "Narrow, dusky mark in star cloud, 6′ long NE and SW", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B308", "number": "308", "sort_key": 308, "common_name": null, "ra2000_deg": 274.7875, "dec2000_deg": -22.25, "ra1875_deg": 272.90000000000003, "dec1875_deg": -22.283333333333335, "l_deg": 9.548, "b_deg": -3.267, "size_arcmin": null, "constellation": "Sgr", "plates": [ 29, 32, 33 ], "description": "Curved, dusky, 7′ E and W, 5′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B309", "number": "309", "sort_key": 309, "common_name": null, "ra2000_deg": 275.7875, "dec2000_deg": -24.033333333333335, "ra1875_deg": 273.875, "dec1875_deg": -24.083333333333332, "l_deg": 8.396, "b_deg": -4.913, "size_arcmin": 5, "constellation": "Sgr", "plates": [ 29, 30, 33 ], "description": "Irregular, dusky, diam. 5′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B310", "number": "310", "sort_key": 310, "common_name": null, "ra2000_deg": 277.5541666666667, "dec2000_deg": -18.6, "ra1875_deg": 275.72083333333336, "dec1875_deg": -18.666666666666668, "l_deg": 13.992, "b_deg": -3.867, "size_arcmin": null, "constellation": "Sgr", "plates": [ 32 ], "description": "Diam. 2′, small star near center, 20′ SW of BD-18°4988 (6.0 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B311", "number": "311", "sort_key": 311, "common_name": null, "ra2000_deg": 277.6125, "dec2000_deg": -17.683333333333334, "ra1875_deg": 275.79166666666663, "dec1875_deg": -17.75, "l_deg": 14.834, "b_deg": -3.495, "size_arcmin": 6, "constellation": "Sgr", "plates": [ 32, 34 ], "description": "Black, elliptical, diam. 6′ NE and SW, in a semi-vacant strip 35′ long", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B312", "number": "312", "sort_key": 312, "common_name": null, "ra2000_deg": 278.04583333333335, "dec2000_deg": -15.583333333333334, "ra1875_deg": 276.25, "dec1875_deg": -15.666666666666666, "l_deg": 16.893, "b_deg": -2.898, "size_arcmin": null, "constellation": "Sct", "plates": [ 34, 35 ], "description": "Large dark area, 1 3/4° NW and SE, about 30′ wide. This dark area is almost elliptical in form. It is sharply defined on its north and northwest sides, but is diffused to the south, and elsewhere. There is a heavy sprinkling of small stars all over it.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B313", "number": "313", "sort_key": 313, "common_name": null, "ra2000_deg": 278.98749999999995, "dec2000_deg": -15.7, "ra1875_deg": 277.19166666666666, "dec1875_deg": -15.783333333333333, "l_deg": 17.205, "b_deg": -3.757, "size_arcmin": null, "constellation": "Sct", "plates": [ 34 ], "description": "Narrow, curved, 15′ E and W", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B314", "number": "314", "sort_key": 314, "common_name": null, "ra2000_deg": 279.27083333333337, "dec2000_deg": -9.733333333333333, "ra1875_deg": 277.55, "dec1875_deg": -9.816666666666666, "l_deg": 22.641, "b_deg": -1.271, "size_arcmin": null, "constellation": "Sct", "plates": [ 35, 37 ], "description": "Irregular, dusky marking, 35′ long NE and SW", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B315", "number": "315", "sort_key": 315, "common_name": null, "ra2000_deg": 280.57916666666665, "dec2000_deg": -20.05, "ra1875_deg": 278.725, "dec1875_deg": -20.15, "l_deg": 13.988, "b_deg": -7.069, "size_arcmin": 5, "constellation": "Sgr", "plates": [], "description": "Round, dark, diam. 5′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B316", "number": "316", "sort_key": 316, "common_name": null, "ra2000_deg": 280.46250000000003, "dec2000_deg": -2.15, "ra1875_deg": 278.8333333333333, "dec1875_deg": -2.25, "l_deg": 29.925, "b_deg": 1.151, "size_arcmin": 6, "constellation": "Aql", "plates": [ 36 ], "description": "Dark, diam. 6′, sharp on its S end, gradually diffusing to the N into a wide open space", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B317", "number": "317", "sort_key": 317, "common_name": null, "ra2000_deg": 281.44166666666666, "dec2000_deg": -14.216666666666667, "ra1875_deg": 279.6666666666667, "dec1875_deg": -14.333333333333334, "l_deg": 19.608, "b_deg": -5.2, "size_arcmin": null, "constellation": "Sct", "plates": [ 34, 35 ], "description": "Dusky, 30′ NE and SW, 5′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B318", "number": "318", "sort_key": 318, "common_name": null, "ra2000_deg": 282.4291666666667, "dec2000_deg": -6.4, "ra1875_deg": 280.75, "dec1875_deg": -6.533333333333333, "l_deg": 27.037, "b_deg": -2.532, "size_arcmin": null, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Long, straight, dark line. This dusky line, just south of M 11, extends east and west for about 1 1/2°. It is uniformly about 2' wide.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B319", "number": "319", "sort_key": 319, "common_name": null, "ra2000_deg": 282.9916666666667, "dec2000_deg": -1.2833333333333332, "ra1875_deg": 281.375, "dec1875_deg": -1.4166666666666667, "l_deg": 31.85, "b_deg": -0.703, "size_arcmin": null, "constellation": "Aql", "plates": [ 36, 38 ], "description": "Thin, curved, dark marking, length 7′, BD-1°3586 (9.5 mag) at the NE end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B320", "number": "320", "sort_key": 320, "common_name": null, "ra2000_deg": 283.1958333333334, "dec2000_deg": -5.866666666666667, "ra1875_deg": 281.525, "dec1875_deg": -6, "l_deg": 27.859, "b_deg": -2.97, "size_arcmin": 15, "constellation": "Sct", "plates": [ 36, 37, 39 ], "description": "Irregular, diam. 15′±, BD-6°4941 (7.5 mag) near center, at S end of the large crescent-shaped marking, B 111", "alt_descriptions": [], "cross_refs": [ "B111" ], "modern_images": [] }, { "id": "B321", "number": "321", "sort_key": 321, "common_name": null, "ra2000_deg": 283.50833333333327, "dec2000_deg": -11.3, "ra1875_deg": 281.77083333333337, "dec1875_deg": -11.45, "l_deg": 23.134, "b_deg": -5.695, "size_arcmin": null, "constellation": "Sct", "plates": [ 37 ], "description": "Dusky, 15′ long E and W, 7′ wide, BD-11°4795 (7.8 mag) near W end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B322", "number": "322", "sort_key": 322, "common_name": null, "ra2000_deg": 283.9458333333334, "dec2000_deg": -4.466666666666667, "ra1875_deg": 282.29166666666663, "dec1875_deg": -4.616666666666667, "l_deg": 29.448, "b_deg": -3, "size_arcmin": 2, "constellation": "Sct", "plates": [ 36, 37, 38, 39 ], "description": "Very small, black, diam. 2′, at NE end of the 'crescent', B 111", "alt_descriptions": [], "cross_refs": [ "B111" ], "modern_images": [] }, { "id": "B323", "number": "323", "sort_key": 323, "common_name": null, "ra2000_deg": 284.39166666666665, "dec2000_deg": -3.4333333333333336, "ra1875_deg": 282.75, "dec1875_deg": -3.5833333333333335, "l_deg": 30.572, "b_deg": -2.927, "size_arcmin": null, "constellation": "Aql", "plates": [ 36, 37, 38, 39 ], "description": "A dark parallelogram, 17′ N and S, BD-3°4423 (9.2 mag) in W part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B324", "number": "324", "sort_key": 324, "common_name": null, "ra2000_deg": 284.84583333333336, "dec2000_deg": -3, "ra1875_deg": 283.20833333333337, "dec1875_deg": -3.1666666666666665, "l_deg": 31.165, "b_deg": -3.134, "size_arcmin": null, "constellation": "Aql", "plates": [ 36, 37, 38, 39 ], "description": "Definite, dusky loop. The crooked dusky lane forming this marking is 2' - 4' wide. The length of the east side is 35'. The conspicuous star in the northeast part of the loop is BD-3°4439 (7.4 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B325", "number": "325", "sort_key": 325, "common_name": null, "ra2000_deg": 284.975, "dec2000_deg": -4.066666666666666, "ra1875_deg": 283.325, "dec1875_deg": -4.233333333333333, "l_deg": 30.271, "b_deg": -3.733, "size_arcmin": null, "constellation": "Aql", "plates": [ 36, 37, 38, 39 ], "description": "Irregular, dusky, 15′ NW and SE", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B326", "number": "326", "sort_key": 326, "common_name": null, "ra2000_deg": 285.85833333333335, "dec2000_deg": 0.4, "ra1875_deg": 284.25, "dec1875_deg": -0.5666666666666667, "l_deg": 34.657, "b_deg": -2.486, "size_arcmin": null, "constellation": "Aql", "plates": [ 38, 40 ], "description": "Narrow, 25′ long E and W, 3′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B327", "number": "327", "sort_key": 327, "common_name": null, "ra2000_deg": 286.1125, "dec2000_deg": -5.15, "ra1875_deg": 284.45, "dec1875_deg": -5.316666666666666, "l_deg": 29.817, "b_deg": -5.234, "size_arcmin": null, "constellation": "Aql", "plates": [ 37, 39 ], "description": "Curved, dusky lane, 30′ N and S, 3′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B328", "number": "328", "sort_key": 328, "common_name": null, "ra2000_deg": 286.2083333333333, "dec2000_deg": -4.266666666666667, "ra1875_deg": 284.5541666666667, "dec1875_deg": -4.433333333333334, "l_deg": 30.651, "b_deg": -4.92, "size_arcmin": 4, "constellation": "Aql", "plates": [ 37, 38, 39 ], "description": "Small, black, diam. 4′, 13′ S of BD-4°4684 (5.7 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B329", "number": "329", "sort_key": 329, "common_name": null, "ra2000_deg": 286.75, "dec2000_deg": 3.183333333333333, "ra1875_deg": 285.1833333333333, "dec1875_deg": 3, "l_deg": 37.541, "b_deg": -2.004, "size_arcmin": 6, "constellation": "Aql", "plates": [ 40 ], "description": "Dusky spot in star cloud, diam. 6′±, BD+2°3789 (9.0 mag) near E edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B330", "number": "330", "sort_key": 330, "common_name": null, "ra2000_deg": 289.89166666666665, "dec2000_deg": 7.55, "ra1875_deg": 288.37499999999994, "dec1875_deg": 7.333333333333333, "l_deg": 42.864, "b_deg": -2.757, "size_arcmin": 30, "constellation": "Aql", "plates": [ 41 ], "description": "Dark, round, diam. 30′, BD+7°4028 (7.8 mag) on NE border", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B331", "number": "331", "sort_key": 331, "common_name": null, "ra2000_deg": 291.51666666666665, "dec2000_deg": 7.566666666666666, "ra1875_deg": 290, "dec1875_deg": 7.333333333333333, "l_deg": 43.635, "b_deg": -4.172, "size_arcmin": null, "constellation": "Aql", "plates": [ 41 ], "description": "Dusky, narrow lane 1° long NW and SE, 3′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B332", "number": "332", "sort_key": 332, "common_name": null, "ra2000_deg": 292.00416666666666, "dec2000_deg": 8.75, "ra1875_deg": 290.5, "dec1875_deg": 8.5, "l_deg": 44.909, "b_deg": -4.039, "size_arcmin": null, "constellation": "Aql", "plates": [ 41 ], "description": "Area of dark lanes. A black spot, connected with these lanes, is located about 15′ N of BD+8°4112 (7.5 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B333", "number": "333", "sort_key": 333, "common_name": null, "ra2000_deg": 292.2333333333333, "dec2000_deg": 10.666666666666666, "ra1875_deg": 290.75, "dec1875_deg": 10.416666666666666, "l_deg": 46.707, "b_deg": -3.328, "size_arcmin": 60, "constellation": "Aql", "plates": [ 41 ], "description": "Area of irregular dark lanes, diam. 1°±, these irregular lanes have a uniform width of about 2′ or 3′", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B334", "number": "334", "sort_key": 334, "common_name": null, "ra2000_deg": 293.775, "dec2000_deg": 12.316666666666666, "ra1875_deg": 292.3125, "dec1875_deg": 12.05, "l_deg": 48.884, "b_deg": -3.864, "size_arcmin": 3, "constellation": "Aql", "plates": [ 41 ], "description": "Small, dark marking, diam. 3′. An extension from this small spot curves to the southwest. The star BD+11°3897 (8.8 mag) is on the south edge of this curve.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B335", "number": "335", "sort_key": 335, "common_name": null, "ra2000_deg": 294.225, "dec2000_deg": 7.6, "ra1875_deg": 292.7083333333333, "dec1875_deg": 7.333333333333333, "l_deg": 44.944, "b_deg": -6.519, "size_arcmin": 6, "constellation": "Aql", "plates": [ 41 ], "description": "Small, very black, diam. 6′, in a slightly larger dusky area, BD+7°4151 (7.8 mag) near its SW edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B336", "number": "336", "sort_key": 336, "common_name": null, "ra2000_deg": 294.17083333333335, "dec2000_deg": 12.333333333333334, "ra1875_deg": 292.7083333333333, "dec1875_deg": 12.066666666666666, "l_deg": 49.086, "b_deg": -4.194, "size_arcmin": 1, "constellation": "Aql", "plates": [ 41 ], "description": "Dark, diam. 1′ - 2′, in a slightly larger vacant space, BD+11°3912 (8.6 mag) in SW part", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B337", "number": "337", "sort_key": 337, "common_name": null, "ra2000_deg": 294.25416666666666, "dec2000_deg": 12.383333333333333, "ra1875_deg": 292.79166666666663, "dec1875_deg": 12.116666666666667, "l_deg": 49.169, "b_deg": -4.241, "size_arcmin": 3, "constellation": "Aql", "plates": [ 41 ], "description": "Dark, diam. 3′, with narrow extension for 17′ to NW. This small spot, with its narrow extension, is in a relatively darker space in the star cloud.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B338", "number": "338", "sort_key": 338, "common_name": null, "ra2000_deg": 295.7625, "dec2000_deg": 7.45, "ra1875_deg": 294.2416666666667, "dec1875_deg": 7.166666666666667, "l_deg": 45.55, "b_deg": -7.928, "size_arcmin": 8, "constellation": "Aql", "plates": [ 41 ], "description": "Dusky, diam. 8′, just S of BD+7°4191 (8.8 arcmin), in S part of B 339", "alt_descriptions": [], "cross_refs": [ "B339" ], "modern_images": [] }, { "id": "B339", "number": "339", "sort_key": 339, "common_name": null, "ra2000_deg": 296.0125, "dec2000_deg": 8.283333333333333, "ra1875_deg": 294.5, "dec1875_deg": 8, "l_deg": 46.407, "b_deg": -7.742, "size_arcmin": null, "constellation": "Aql", "plates": [ 41 ], "description": "Broken, dusky region covering more than 1°", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B340", "number": "340", "sort_key": 340, "common_name": null, "ra2000_deg": 297.1875, "dec2000_deg": 11.4, "ra1875_deg": 295.7083333333333, "dec1875_deg": 11.1, "l_deg": 49.719, "b_deg": -7.225, "size_arcmin": 7, "constellation": "Aql", "plates": [ 41 ], "description": "Irregular, curved, diam. 7′, 25′ S of BD+11°3994 (5.8 mag), a narrow extension for 15′ to the N", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B341", "number": "341", "sort_key": 341, "common_name": null, "ra2000_deg": 297.50416666666666, "dec2000_deg": 34.28333333333333, "ra1875_deg": 296.325, "dec1875_deg": 33.96666666666667, "l_deg": 69.664, "b_deg": 4.067, "size_arcmin": null, "constellation": "Cyg", "plates": [ 43 ], "description": "Narrow dark lane, about 1/2 ° E and W. This is one of the several similar dark lines in this region. They are very clear cut and narrow, not more than 1 1/2' wide.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B342", "number": "342", "sort_key": 342, "common_name": null, "ra2000_deg": 302.37916666666666, "dec2000_deg": 41.2, "ra1875_deg": 301.29166666666663, "dec1875_deg": 40.833333333333336, "l_deg": 77.594, "b_deg": 4.393, "size_arcmin": null, "constellation": "Cyg", "plates": [ 44 ], "description": "Small, dark marking, 4′ E and W", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B343", "number": "343", "sort_key": 343, "common_name": null, "ra2000_deg": 303.3583333333333, "dec2000_deg": 40.266666666666666, "ra1875_deg": 302.25, "dec1875_deg": 39.9, "l_deg": 77.216, "b_deg": 3.262, "size_arcmin": null, "constellation": "Cyg", "plates": [ 44 ], "description": "Elongated, 13′ long NW and SE, sharpest at SSE end, several stars in S part, 10′± E of BD+39°4082 (7.5 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B344", "number": "344", "sort_key": 344, "common_name": null, "ra2000_deg": 304.06666666666666, "dec2000_deg": 39.21666666666667, "ra1875_deg": 302.9375, "dec1875_deg": 38.833333333333336, "l_deg": 76.643, "b_deg": 2.227, "size_arcmin": null, "constellation": "Cyg", "plates": [ 44 ], "description": "Dusky spot, 7′ long, like an arrowhead pointed SW, small star at NE end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B345", "number": "345", "sort_key": 345, "common_name": null, "ra2000_deg": 305.2541666666667, "dec2000_deg": 46.55, "ra1875_deg": 304.25, "dec1875_deg": 46.166666666666664, "l_deg": 83.221, "b_deg": 5.615, "size_arcmin": null, "constellation": "Cyg", "plates": [ 45 ], "description": "Curved, convex to the E, 15′ long, bordered by two parallel curves of small stars", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B346", "number": "346", "sort_key": 346, "common_name": null, "ra2000_deg": 306.69166666666666, "dec2000_deg": 43.733333333333334, "ra1875_deg": 305.625, "dec1875_deg": 43.333333333333336, "l_deg": 81.482, "b_deg": 3.175, "size_arcmin": 10, "constellation": "Cyg", "plates": [ 45 ], "description": "Curved, black spot, diam. 10′, embraces to the N a triangular mass of small stars", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B347", "number": "347", "sort_key": 347, "common_name": null, "ra2000_deg": 307.1166666666667, "dec2000_deg": 39.916666666666664, "ra1875_deg": 305.9791666666667, "dec1875_deg": 39.5, "l_deg": 78.56, "b_deg": 0.697, "size_arcmin": null, "constellation": "Cyg", "plates": [ 44 ], "description": "Dark streak in nebulous cloud, less than 1′ wide, extending 10′ SW from BD+39°4206 (8.8 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B348", "number": "348", "sort_key": 348, "common_name": null, "ra2000_deg": 308.60833333333335, "dec2000_deg": 42.083333333333336, "ra1875_deg": 307.5, "dec1875_deg": 41.666666666666664, "l_deg": 80.973, "b_deg": 1.069, "size_arcmin": null, "constellation": "Cyg", "plates": [ 44 ], "description": "Narrow, dusky, nearly 1° long NE and SW. The southwest end of this dusky lane curves west and then north, curving around the star BD+41°3799 (6.7 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B349", "number": "349", "sort_key": 349, "common_name": null, "ra2000_deg": 311.85, "dec2000_deg": 43.95, "ra1875_deg": 310.75, "dec1875_deg": 43.5, "l_deg": 83.9, "b_deg": 0.339, "size_arcmin": 6, "constellation": "Cyg", "plates": [ 45, 46 ], "description": "Small, curved, dusky, diam. 6′. Elongated north and south, with dusky extension running 15' northwest. A short line of small stars close west.", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B350", "number": "350", "sort_key": 350, "common_name": null, "ra2000_deg": 312.27916666666664, "dec2000_deg": 45.88333333333333, "ra1875_deg": 311.20833333333337, "dec1875_deg": 45.416666666666664, "l_deg": 85.594, "b_deg": 1.32, "size_arcmin": 3, "constellation": "Cyg", "plates": [ 45, 46 ], "description": "Small, round, dusky, diam. 3′, 14′ S of BD+45°3291 (5.6 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B351", "number": "351", "sort_key": 351, "common_name": null, "ra2000_deg": 313.1166666666667, "dec2000_deg": 47.4, "ra1875_deg": 312.06666666666666, "dec1875_deg": 46.93333333333333, "l_deg": 87.131, "b_deg": 1.84, "size_arcmin": null, "constellation": "Cyg", "plates": [ 45, 48 ], "description": "Crooked, dusky lane, 3′ wide, 25′ long NE and SW, 1/2° W of BD+46°3111 (6.0 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B352", "number": "352", "sort_key": 352, "common_name": null, "ra2000_deg": 314.2958333333333, "dec2000_deg": 45.9, "ra1875_deg": 313.20833333333337, "dec1875_deg": 45.416666666666664, "l_deg": 86.507, "b_deg": 0.254, "size_arcmin": 22, "constellation": "Cyg", "plates": [ 45, 46, 48 ], "description": "Large, black, diam. 22′, sharply defined on SE side, a row of five stars runs nearly N and S across its E end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B353", "number": "353", "sort_key": 353, "common_name": null, "ra2000_deg": 314.3458333333333, "dec2000_deg": 45.483333333333334, "ra1875_deg": 313.25, "dec1875_deg": 45, "l_deg": 86.213, "b_deg": -0.044, "size_arcmin": null, "constellation": "Cyg", "plates": [ 45, 46 ], "description": "Definite, dusky, 12′ N and S, 6′ wide", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B354", "number": "354", "sort_key": 354, "common_name": null, "ra2000_deg": 314.5583333333333, "dec2000_deg": 58.15, "ra1875_deg": 313.75, "dec1875_deg": 57.666666666666664, "l_deg": 95.965, "b_deg": 8.08, "size_arcmin": null, "constellation": "Cep", "plates": [ 47 ], "description": "Dusky, irregular, 1° NE and SW", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B355", "number": "355", "sort_key": 355, "common_name": null, "ra2000_deg": 314.90833333333336, "dec2000_deg": 43.18333333333333, "ra1875_deg": 313.77083333333337, "dec1875_deg": 42.7, "l_deg": 84.735, "b_deg": -1.852, "size_arcmin": null, "constellation": "Cyg", "plates": [ 46 ], "description": "Dark, definite, 5′ E and W, like a letter V - the open end toward the E", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B356", "number": "356", "sort_key": 356, "common_name": null, "ra2000_deg": 314.9958333333334, "dec2000_deg": 46.68333333333333, "ra1875_deg": 313.9166666666667, "dec1875_deg": 46.2, "l_deg": 87.416, "b_deg": 0.4, "size_arcmin": 24, "constellation": "Cyg", "plates": [ 48 ], "description": "Irregular, dusky, diam. 24′, BD+46°3141 (7.6 mag) on SE border, irregular extension for 1 1/2° toward the NE", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B357", "number": "357", "sort_key": 357, "common_name": null, "ra2000_deg": 314.96666666666664, "dec2000_deg": 55.56666666666667, "ra1875_deg": 314.08333333333337, "dec1875_deg": 55.083333333333336, "l_deg": 94.128, "b_deg": 6.235, "size_arcmin": 30, "constellation": "Cep", "plates": [ 47 ], "description": "Irregular, dusky, diam. 30′, BD+55°2495 (7.9 mag) in NW edge, BD+54°2455 (9.0 mag) near center", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B358", "number": "358", "sort_key": 358, "common_name": null, "ra2000_deg": 316.4625, "dec2000_deg": 43.28333333333333, "ra1875_deg": 315.2708333333333, "dec1875_deg": 42.78333333333333, "l_deg": 85.562, "b_deg": -2.633, "size_arcmin": null, "constellation": "Cyg", "plates": [ 46 ], "description": "Diam. 20′, diffuse to NE, a curve of stars along N edge, BD+42°3960 (9.5 mag) at W side", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B359", "number": "359", "sort_key": 359, "common_name": null, "ra2000_deg": 316.6958333333334, "dec2000_deg": 57.166666666666664, "ra1875_deg": 315.83333333333337, "dec1875_deg": 56.666666666666664, "l_deg": 95.973, "b_deg": 6.572, "size_arcmin": null, "constellation": "Cep", "plates": [ 47 ], "description": "Narrow, dusky, 20′ long NE and SW, BD+56°2527 (8.7 mag) about 7′ W of SW end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B360", "number": "360", "sort_key": 360, "common_name": null, "ra2000_deg": 316.97083333333336, "dec2000_deg": 56.5, "ra1875_deg": 316.08333333333337, "dec1875_deg": 56, "l_deg": 95.577, "b_deg": 6.013, "size_arcmin": null, "constellation": "Cep", "plates": [ 47, 49 ], "description": "Irregular dark marking. This, together with the dusky space in which B 151 is located, forms an irregular, zigzag marking 54' long.", "alt_descriptions": [], "cross_refs": [ "B151" ], "modern_images": [] }, { "id": "B361", "number": "361", "sort_key": 361, "common_name": null, "ra2000_deg": 318.19166666666666, "dec2000_deg": 47.43333333333333, "ra1875_deg": 317.0958333333333, "dec1875_deg": 46.916666666666664, "l_deg": 89.435, "b_deg": -0.707, "size_arcmin": 20, "constellation": "Cyg", "plates": [ 48 ], "description": "Round, diam. 20′, irregular extension to W for 1/2°±", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B362", "number": "362", "sort_key": 362, "common_name": null, "ra2000_deg": 320.9916666666667, "dec2000_deg": 50.2, "ra1875_deg": 319.9166666666667, "dec1875_deg": 49.666666666666664, "l_deg": 92.7, "b_deg": -0.083, "size_arcmin": null, "constellation": "Cyg", "plates": [ 48 ], "description": "Elongated, 15′ NE and SW, BD+49°3517 (9.0 mag) on NE edge", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B363", "number": "363", "sort_key": 363, "common_name": null, "ra2000_deg": 321.22499999999997, "dec2000_deg": 48.93333333333333, "ra1875_deg": 320.125, "dec1875_deg": 48.4, "l_deg": 91.923, "b_deg": -1.094, "size_arcmin": null, "constellation": "Cyg", "plates": [ 48 ], "description": "Irregular, dusky, 40′ long NE and SW, BD+48°3390 (5.5 mag) 7′± E of SE side", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B364", "number": "364", "sort_key": 364, "common_name": null, "ra2000_deg": 323.51666666666665, "dec2000_deg": 54.55, "ra1875_deg": 322.5, "dec1875_deg": 54, "l_deg": 96.811, "b_deg": 2.014, "size_arcmin": null, "constellation": "Cyg", "plates": [ 48, 49 ], "description": "Region of many small dark lanes, diam. 1 1/4°±", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B365", "number": "365", "sort_key": 365, "common_name": null, "ra2000_deg": 323.7208333333333, "dec2000_deg": 56.71666666666667, "ra1875_deg": 322.75, "dec1875_deg": 56.166666666666664, "l_deg": 98.36, "b_deg": 3.535, "size_arcmin": null, "constellation": "Cep", "plates": [ 47, 49 ], "description": "Dark S-shaped object, 22′ long N and S, BD+55°2604 (9.0 mag) near SW end", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B366", "number": "366", "sort_key": 366, "common_name": null, "ra2000_deg": 325.0916666666667, "dec2000_deg": 59.56666666666667, "ra1875_deg": 324.16666666666674, "dec1875_deg": 59, "l_deg": 100.81, "b_deg": 5.172, "size_arcmin": 10, "constellation": "Cep", "plates": [ 47, 49 ], "description": "Roundish, dusky, diam. 10′, 12′ S of BD+59°2409 (6.9 mag), two small stars on N border", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B367", "number": "367", "sort_key": 367, "common_name": null, "ra2000_deg": 326.1, "dec2000_deg": 57.166666666666664, "ra1875_deg": 325.1041666666667, "dec1875_deg": 56.6, "l_deg": 99.633, "b_deg": 3.013, "size_arcmin": null, "constellation": "Cep", "plates": [ 49 ], "description": "Small, dark, 5′ NW and SE, about 5′ NW of BD+56°2635 (9.5 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B368", "number": "368", "sort_key": 368, "common_name": null, "ra2000_deg": 327.7291666666667, "dec2000_deg": 58.983333333333334, "ra1875_deg": 326.75, "dec1875_deg": 58.4, "l_deg": 101.462, "b_deg": 3.856, "size_arcmin": null, "constellation": "Cep", "plates": [ 49, 50 ], "description": "Dusky spot, 14′ long NE and SW, a row of small stars in it, about 4′ SW of BD+ 58°2340 (9.0 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B369", "number": "369", "sort_key": 369, "common_name": null, "ra2000_deg": 333.975, "dec2000_deg": 56.016666666666666, "ra1875_deg": 332.83333333333337, "dec1875_deg": 55.4, "l_deg": 102.39, "b_deg": -0.523, "size_arcmin": 5, "constellation": "Cep", "plates": [ 50 ], "description": "Round, dusky, diam. 5′, about 13′ NE of BD+55°2709 (7.8 mag)", "alt_descriptions": [], "cross_refs": [], "modern_images": [] }, { "id": "B370", "number": "370", "sort_key": 370, "common_name": null, "ra2000_deg": 338.7083333333333, "dec2000_deg": 56.65, "ra1875_deg": 337.5, "dec1875_deg": 56, "l_deg": 104.951, "b_deg": -1.376, "size_arcmin": null, "constellation": "Lac", "plates": [ 50 ], "description": "Region of narrow dark lanes", "alt_descriptions": [], "cross_refs": [], "modern_images": [] } ]