John Herschel discovered NGC 1492 = h2598 on 28 Nov 1837 and logged "vF, vS, R, 10'." His position is accurate, though, his size of 10' is probably a typo for 10".
400/500mm - 18" (1/21/04): faint, small, round, 0.4' diameter, fairly even surface brightness. Located 1.5' N of a mag 13 star.
Notes by Steve Gottlieb