John Herschel discovered NGC 3264 = h716 on 9 Feb 1831 (sweep 323) and noted "eF; between 2 small stars." His position and description matches UGC 5719.

400/500mm - 17.5" (4/9/94): faint, fairly small, elongated 3:2 N-S, 1.6'x1.0'. Appears as a diffuse glow with no concentration. Bracketed by a mag 13.5 star at the SW end 0.8' from the center and a mag 13 star just off the ENE side 1.0' from center. A brighter mag 11 star lies 3.8' N. Located 16' ENE of 36 Ursa Majoris (V = 4.8).

Notes by Steve Gottlieb