Albert Marth discovered NGC 2370 = m 103 on 10 Nov 1864 with Lassell's 48" and recorded "eF, vS, E." His position is 1' south of UGC 3835 = PGC 20955. RNGC refers to the mag 14 star attached at north end as a "* or knot".
400/500mm - 17.5" (2/8/91): fairly faint, small, elongated 2:1 SW-NE, 0.8'x0.4', even surface brightness. A mag 14 star is attached at the NE end 0.4' from center. The galaxy appears to extend from the star like a comet tail!
Notes by Steve Gottlieb