Stephane Javelle discovered IC 1520 = J. 1-501 on 4 Nov 1891. His micrometric position is accurate.

400/500mm - 18" (10/29/11): at 283x, Arp 50 was easily visible as a faint to fairly faint, small, round glow, ~24" diameter. The surface brightness is nearly even, though occasionally a slightly brighter stellar nucleus popped out. Located 11' NW of mag 7.2 HD 224512.

Notes by Steve Gottlieb