William Herschel discovered NGC 4599 = H III-509 on 22 Feb 1786 (sweep 527) and noted "vF, vS." CH's reduction is 1.5' northwest of UGC 7833 = PGC 42453. JH did not make an observation.
400/500mm - 17.5" (4/21/90): fairly faint, small, elongated 3:1 SW-NE, small bright core, stellar nucleus.
Notes by Steve Gottlieb