William Herschel discovered NGC 4570 = H I-32 = h1361 on 13 Apr 1784 (sweep 191) and recorded "pB, not L, E, mbM." His position matches UGC 7785. On 1 May 1786 (sweep 560) he called this galaxy "vB, E in the meridian, BN with faint branches." JH made five observations and recorded on sweep 117, "vB; mE; vsmbM; 2' long; pretty bright arms and a resolvable centre."
400/500mm - 17.5" (3/24/90): bright, fairly large, very elongated 3:1 NNW-SSE, 3:1x1.0', very bright core, stellar nucleus.
Notes by Steve Gottlieb