William Herschel discovered NGC 4232 = H III-720, along with NGC 4231, on 9 Mar 1788 (sweep 816) and recorded both as "Two both vF, vS, from north to south about 1' distance."
300/350mm - 13.1" (4/12/86): faint, small, almost round. This galaxy is a close twin in brightness and size to NGC 4231 located just 1.2' N.
Notes by Steve Gottlieb