William Herschel discovered NGC 4487 = H II-776 on 23 Mar 1789 (sweep 916) and logged "F, vL, er." His position (CH's reduction) is 7 sec of RA west and 1.5' south of MCG -01-32-021 = PGC 41399. JH did not make an observation.
400/500mm - 17.5" (2/28/87): moderately bright, fairly large, diffuse, brighter core, slightly elongated. A mag 13 star is off the north end 1.1' from center.
Notes by Steve Gottlieb