Albert Marth discovered NGC 4282 = m 237, along with NGC 4249, 4252, 4266 and 4287 on 26 May 1864. His position is 2' north of CGCG 042-035 = PGC 39809.
400/500mm - 17.5" (3/24/90): very faint, very small, slightly elongated E-W, low even surface brightness. A mag 13 star is 1.8' S of center. Located in the large NGC 4261 group with NGC 4287 6' NE and NGC 4270 10' SW.
600/800mm - 24" (4/28/14): fairly faint, fairly small, elongated ~2:1 ~E-W, 0.7'x0.3', gradually increases to a slightly brighter core, brighter along the major axis. On a line between NGC 4270 11' SW and NGC 4287 7' NE. Also NGC 4266 lies 11' WSW.
Notes by Steve Gottlieb