John Herschel discovered NGC 2315 = h420 on 16 Feb 1831 (sweep 327) and simply noted "eF; doubtful." His RA was roughly 10 seconds of time too large. Bigourdan measured an accurate position on 15 Nov 1885 (repeated in the IC2 Notes).
400/500mm - 17.5" (1/20/90): faint, small, edge-on WNW-ESE, bright core. Located 4' S of mag 8.4 SAO 26113.
Notes by Steve Gottlieb