Albert Marth discovered NGC 2791 on 21 Dec 1863 and noted "F, R". His position matches CGCG 091-033 = PGC 26088.
400/500mm - 17.5" (1/28/89): extremely faint and small, round. Forms a close "double" with a mag 15 star just 21" E of center. First in a group with the NGC 2794/NGC 2795 pair 14' E.
Notes by Steve Gottlieb