William Herschel discovered NGC 4770 = H III-525 on 25 Mar 1786 (sweep 546) and simply noted "vF, eS." His position is 1' north of MCG -01-33-040 = PGC 43804.
400/500mm - 18" (4/29/06): fairly faint, fairly small, elongated 3:2 E-W, 0.8'x0.5'. Contains a moderately bright, round core, ~20" diameter with faint extensions. Located 12' W of mag 5 Psi Virginis.
Notes by Steve Gottlieb