Dark object numbers in the Atlas: 1–51, including 44a; 53–171, including 83a, 84a, 117a, 119a, 131a; 173–175; 201–370.
Note from the Atlas regarding Dark Object listings:
In his article in the Astrophysical Journal for January, 1919 (49, 1-23) Professor Barnard gave a list of 182 dark objects in the sky. Three of the objects in that list have been omitted here, viz., Nos. 52, 131a, and 172, because by inadvertence the same object had been listed twice. Mr. Barnard had begun a second list, most of the objects for which he had himself selected. Their positions were determined by Miss Calvert. It seemed best to begin the second list with No. 201; accordingly, there are no objects having the numbers from 176 to 200.