John Herschel discovered NGC 3268 = h3263 on 18 Apr 1835 (along with NGC 3267) and noted "F; S; R. By a diagram made out of meridian..." His position is 2.7' south of ESO 375-045. The position was corrected by de Vaucouleurs in Mem. Commonwealth Obs., (Mt. Stromlo), No. 13, 1956.
400/500mm - 17.5" (3/28/87): fairly faint, fairly small, round, brighter core. Fourth of five in the field within the Antlia Cluster (ACO S636) with NGC 3267 2' W, NGC 3269 6.0' N, NGC 3271 5.7' ESE.
Notes by Steve Gottlieb