NGC 2234 (also UGC 7501, MCG 3-32-25 and PGC 40477) is a magnitude +13.9 large open cluster located 5274 ±245 light-years away in the constellation Gemini. The cluster consists of scattered magnitude +11 stars over half a degree across.
The cluster, or grouping, was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) reflecting telescope at Datchet, Berkshire, on the 19th February 1784.
Right Ascension 06h 29m 29.2s, Declination +16° 43' 08"