Stephane Javelle discovered IC 561 = J. 2-645 on 21 Mar 1893. His position is accurate.
600/800mm - 24" (2/24/20): at 200x; between faint and fairly faint, small, round, fairly low uniform surface brightness, 20"-24" diameter. The close pair IC 563/564 (Arp 303) lies 7' SE.
Notes by Steve Gottlieb