John Herschel discovered NGC 1503 = h2604 on 2 Nov 1834 and logged "eF, S, R, (a doubtful object) Has a * on p, 10th mag 3' dist." His position is 1' N of ESO 083-013 = PGC 14137.
600/800mm - 24" (4/4/08 - Magellan Observatory, Australia): fairly faint to moderately bright, small, round, 25" diameter. Contains a very small brighter core and occasional stellar nucleus. Located 18' E of brighter NGC 1490.
Notes by Steve Gottlieb