John Herschel discovered NGC 939 = h2479 on 18 Oct 1835 and noted "eF, S, vlbM, 20 arcsec." His position matches ESO 246-011 = PGC 9271.

600/800mm - 25" (10/16/17 - OzSky): at 244x and 397x; fairly faint to moderately bright, fairly small, round, 35"-40" diameter. Well concentrated with a relatively large bright core. A mag 10.5 star lies 5.4' N.

Notes by Steve Gottlieb