Albert Marth discovered NGC 2790 on 17 Feb 1865 with Lassell's 48" on Malta and noted "vF, S, R, lbM." His position matches CGCG 091-034 = PGC 26092.

400/500mm - 17.5" (3/12/94): very faint, very small, round, only 15"-20" diameter, weakly concentrated to a very small brighter core. Located 1.3' SE of a mag 10.5 star which forms a wide unequal double with a 14th magnitude companion 24" N.

Notes by Steve Gottlieb