John Herschel discovered NGC 2920 = h3172 on 1 Feb 1837 and logged "eF; S; R: the preceding of two [with NGC 2921]." His position is ~1' E of ESO 565-015.

400/500mm - 17.5" (3/8/97): faint, small, slightly elongated, 30"x25" (NW-SE?). A mag 15 star is just off the following end about 20" from the center. Forms a pair with NGC 2921 5.8' SE.

Notes by Steve Gottlieb