Heinrich d'Arrest discovered NGC 2794, along with NGC 2797 and an independent discovery of nearby NGC 2795, on 15 Mar 1866. His position matches UGC 4885 = PGC 26140.
400/500mm - 17.5" (1/28/89): fairly faint, small, round, weak concentration. Forms a close pair with NGC 2795 2.4' NNE. NGC 2791 lies 14' W.
Notes by Steve Gottlieb