Heinrich d'Arrest discovered NGC 830, along with NGC 829, on 23 Sep 1865 with the 11-inch refractor at Copenhagen. His position and offset from NGC 829 is accurate.

400/500mm - 17.5" (12/23/92): fairly faint, fairly small, elongated 5:3 WNW-ESE, very small bright core, stellar nucleus. Second of three and similar dimensions as NGC 829 4.5' WSW. NGC 842 lies 12' E.

Notes by Steve Gottlieb