John Herschel discovered NGC 1631 = h2652 on 11 Dec 1835. His position is accurate although no visual notes were taken. Herbert Howe, observing with the 20" refractor at the Chamberlin Observatory, added "very faint and small".

400/500mm - 17.5" (1/23/93): faint, small, slightly elongated, 0.8' diameter. A mag 13.5 star is 1.9' W of center. Located 6' ENE of mag 7.1 SAO 169624.

Notes by Steve Gottlieb