Lewis Swift discovered IC 527 = Sw. IX-20 on 19 April 1890 and recorded "eeeF; pL; R; ee dif; 2759 in field sf." His position is a good match with UGC 4810 although NGC 2759 lies to the west-northwest.

400/500mm - 17.5" (4/5/97): faint, fairly small, round, 1.2' diameter, gradually increases to a slightly brighter core. On line with mag 12.5 and 10.5 stars to the NW [2.3' and 5.2', respectively]. Located 13' E of NGC 2759. Forms a pair with CGCG 180-050 6.5' NNE.

Notes by Steve Gottlieb