Albert Marth discovered NGC 6228 = m 317 on 28 Jun 1864 and noted "vF, S." His position is just 1' south-southwest of UGC 10558.
400/500mm - 17.5" extremely faint, fairly small, edge-on NW-SE, very low surface brightness.
Notes by Steve Gottlieb
Albert Marth discovered NGC 6228 = m 317 on 28 Jun 1864 and noted "vF, S." His position is just 1' south-southwest of UGC 10558.
400/500mm - 17.5" extremely faint, fairly small, edge-on NW-SE, very low surface brightness.
Notes by Steve Gottlieb