William Herschel discovered NGC 4515 = H II-93 = h1324 on 21 Mar 1784 (sweep 182) and noted "F, vS." JH called it "F; an extremely dilute nebulosity, with a centre almost stellar. His single position is 1' north of UGC 7701.

400/500mm - 17.5" (5/23/87): fairly faint, very small, almost round, weak concentration.

Notes by Steve Gottlieb