William Herschel discovered NGC 4733 = H II-73 = h1453 on 15 Mar 1784 (sweep 174) and noted "F, not vS." John Herschel made 5 observations (earliest on 11 Apr 1825, sweep 3). On 13 Mar 1826 (sweep 22) he recorded, "F; R: has a * 12m immediately p."

400/500mm - 17.5" (3/28/92): fairly faint, fairly small, slightly elongated E-W, weak concentration. A mag 13.5-14 star is 30" off the west edge and 1' from center.

Notes by Steve Gottlieb