Édouard Stephan discovered NGC 2498 = St XIII-35 on 19 Jan 1885. His position matches UGC 4142 = PGC 22403.
400/500mm - 17.5" (2/20/88): fairly faint, fairly small, small bright core, elongated NW-SE, faint stellar nucleus. NGC 2486 lies 20' NW. Member of a small group (LGG 152).
Notes by Steve Gottlieb