Stephane Javelle discovered IC 4581 = J. 3-1388, along with IC 4580 and 4582, on 26 Jul 1895.
600/800mm - 24" (7/18/15): faint, small, slightly elongated SSW-NNE, 24"x18", very weak concentration. A mag 13.7 star lies 45" S. IC 4580 lies 11.5' NW.
Notes by Steve Gottlieb