Édouard Stephan discovered NGC 2407 = St XIII-31 on 7 Feb 1885 (along with NGC 2406 = St XIII-30) with the 31" silvered-glass reflector at the Marseille Observatory. His position matches UGC 3896 = PGC 21220.

400/500mm - 17.5" (1/31/87): faint, small, slightly elongated, small bright core. Forms a pair with NGC 2406 3.4' SSW. Located 7' W of mag 7.8 SAO 96995.

Notes by Steve Gottlieb