John Herschel discovered NGC 3240 = h3247 on 20 Mar 1835 and reported "eF; S; R; near a star." His position from two sweeps matches ESO 568-003.

400/500mm - 17.5" (2/22/03): faint, fairly small, elongated 4:3 E-W, 0.8'x0.6', weak concentration. A mag 14 star is 0.8' SSE of center just outside the halo.

Notes by Steve Gottlieb