William Herschel discovered NGC 4187 = H II-813 on 26 Apr 1789 (sweep 929) and logged "pB, S, lE." His position is just 1' south of UGC 7229.

RNGC misidentifies a faint companion just north of NGC 4187 as NGC 4181. There are several faint companions with a couple of arcminutes of NGC 4187.

400/500mm - 17.5" faint, small, slightly elongated NW-SE, small bright core. A mag 13 star is 1.0' WNW of center. A mag 15.5 is superimposed on the south edge.

Notes by Steve Gottlieb