Lewis Swift discovered NGC 1797 = Sw. VI-23 (along with NGC 1799 = Sw. VI-24) on 13 Feb 1887 with the 16" refractor at Warner Observatory. His position is accurate.

400/500mm - 17.5" (12/8/90): very faint, very small, round, very faint stellar nucleus. A mag 13 star is just 48" NW of center. Forms a pair with NGC 1799 3' N.

Notes by Steve Gottlieb