William Herschel discovered NGC 4218 = H III-718 on 9 Mar 1788 (sweep 816) and noted "vF, vS." d'Arrest measured an accurate position as well as noting the mag 9-10 star that follows by 15 sec and 55" south.

300/350mm - 13.1" (4/12/86): fairly faint, small, slightly elongated NW-SE. Located 2.6' NW of mag 8.3 SAO 44096. NGC 4220 lies 16' SSE.

Notes by Steve Gottlieb