Édouard Stephan discovered NGC 5924 = St XII-72 on 10 Jun 1882. His position and description matches CGCG 165-043 = PGC 54850.
400/500mm - 17.5" (7/3/97): very faint, very small, slightly elongated ~N-S, 0.4'x0.3' (outer arms not viewed). A mag 14.5 star at the SSE edge confuses the observation as it is similar in brightness to the galaxy. Nearly collinear with three mag 13-14 stars between 4' and 6.5' SE. MCG +05-36-026 (brightest galaxy in AGC 2067 - Corona Borealis supercluster) lies 25' E.
Notes by Steve Gottlieb