John Herschel discovered NGC 2836 = h3157 on 29 Jan 1835 and recorded "F, R, glbM, 40". Nearly on meridian with Beta Argus [Carinae]." His position is 2' southwest of ESO 061-003.

600/800mm - 24" (4/4/08 - Magellan Observatory, Australia): fairly faint, moderately large, ~1.0'x0.7'. Located 23' N of mag 1.7 Beta Carinae (Miaplacidus) and 18' N of NGC 2822 in a rich Milky Way star field. Unusual appearance with many nearby stars including at least one superimposed mag 16 star.

Notes by Steve Gottlieb