William Herschel discovered NGC 3298 = H III-767 = h725 on 12 Apr 1789 (sweep 919) and recorded "vF, pS, iE. May be a patch, or a few stars too small to be perceived. His position is 6' south of MCG +08-19-043 = PGC 31529. On 7 Mar 1831 (sweep 329), John Herschel noted, "vF; two distant star nearly on parallel". His position is 1.3' too far southeast. Because of the different positions, he questioned if h725 was identical to his father's III-767.

400/500mm - 18" (3/11/07): faint, small, round (core only viewed), 0.4' diameter, contains a very small brighter nucleus. A very faint star lies 1' SW.

Notes by Steve Gottlieb