John Herschel discovered NGC 2152 = h2999 on 28 Dec 1834 and noted, "eeF; R; attached to a vS star." His position is fairly accurate and the star is off the northeast edge.

300/350mm - 14" (4/7/16 - Coonabarabran, 178x): very faint, small, slightly elongated, 25"x20", low surface brightness, no noticeable concentration. A mag 14 star is just off the northeast edge. A mag 10 star is 4.4' E. Located 29' N of mag 5.7 HD 41214. Observation through thin clouds or smoke.

Notes by Steve Gottlieb