William Herschel discovered NGC 3530 = H III-915 = h821 on 8 Apr 1793 (sweep 1038) and noted "vF, S." His position is within 1' of UGC 6188. John Herschl logged on 9 Feb 1831 (sweep 323), "eF; S; R; pgbM; 10"."

400/500mm - 17.5" (3/12/88): fairly faint, very small, elongated ~E-W, bright core, probable stellar nucleus.

Notes by Steve Gottlieb