Heinrich d'Arrest discovered NGC 1104 on 6 Nov 1864 with an 11" refractor at Copenhagen and logged "vF, vS, a mag 14 star is 50" south." His position and description matches UGC 2287.

300/350mm - 13.1" (9/3/83): extremely faint, very small. A line of three stars is following and a faint star is off the SE edge.

400/500mm - 17.5" (11/14/87): very faint, very small, slightly elongated NW-SE. A mag 14 star is 1.0' S of center. Located 18' E of NGC 1094.

Notes by Steve Gottlieb