William Herschel discovered NGC 2320 = H II-861 = h424, along with NGC 2322, on 28 Dec 1790 (sweep 990) and noted "pB, pL, irr figure, gbM." His position is 3 - 4' northwest of UGC 3659 (same offset as NGC 2322). On 7 Mar 1831 (sweep 329), John Herschel logged it as "pB; R; pgbM; 15"; np a * 8m whose place is that here taken." The star is 1.6' NE of the galaxy.
400/500mm - 17.5" (1/20/90): fairly faint, small, spindle NW-SE, weak concentration. Located 1.7' WSW of mag 9.0 SAO 26147. Brightest of three with NGC 2322 5' SE and NGC 2321 11' NNE.
Notes by Steve Gottlieb