Édouard Stephan discovered NGC 2638 = St XIII-42 on 21 Jan 1885. His position matches UGC 4534.
400/500mm - 17.5" (3/28/92): fairly faint, small, elongated 5:2 WSW-ENE, small bright core, faint extensions. The major axis is almost collinear with a mag 12 star 1.6' ENE of center.
Notes by Steve Gottlieb