Stephane Javelle discovered IC 4305 = J. 3-1265, along with IC 4301, 4302, 4304 and 4306, on 1 Jul 1896. His position is accurate.

600/800mm - 24" (7/2/16): at 260x; fairly faint, fairly small, small, round, 25" diameter, small bright core, stellar nucleus. In a group of IC galaxies with IC 4304 2.8' S and IC 4302 4.7' W.

Notes by Steve Gottlieb