William Herschel discovered NGC 6001 = H III-371 on 11 Apr 1785 (sweep 397) and recorded "vF, S, R. 240x showed it very distinctly." His position is within 1' of UGC 10036 = PGC 56056. This was last of 72 objects discovered on 11 Apr 1785, his most productive night.
400/500mm - 17.5" (6/15/91): fairly faint, fairly small, round, very weak concentration. Located 10' N of mag 7.5 SAO 84005. The very faint companion to the southwest was not seen.
Notes by Steve Gottlieb