George Johnstone Stoney, Lord Rosse's assistant, discovered NGC 2839 on 13 Mar 1850 and was one of "15 knots in all". This galaxy was labeled Zeta on a sketch made in March 1851. It was measured 8' 08" southeast (PA = 120°) of NGC 2834. The NGC position is 1' too far south.

400/500mm - 17.5" (1/31/87): faint, small, round, diffuse. Located in the core of AGC 779 12' SE of NGC 2832. NGC 2834 lies 8' WNW.

Notes by Steve Gottlieb