William Herschel discovered NGC 3527 = H III-350 = h820 on 11 Apr 1785 (sweep 396) and noted "vF, S." John Herschel made four observations and mentioned the mag 10-11 star that is 1' preceding.

300/350mm - 13.1" (3/24/84): very faint, very small, round, smooth surface brightness. A mag 12 star is 2.1' WNW.

Notes by Steve Gottlieb