William Herschel discovered NGC 4634 = H III-603 = h1398 on 14 Jan 1787 (sweep 691) and recorded "vF, about 2 1/2' long, from np to sf." His position and description matches UGC 7874, though both Herschel's missed nearby NGC 4633.

400/500mm - 17.5" (5/22/93): moderately bright, edge-on 4:1 NNW-SSE, 3.0'x0.7', weak concentration. Forms a pair with NGC 4633 3.8' NNW. This galaxy is fairly striking.

Notes by Steve Gottlieb