NGC 2356 (also NGC 2355, Mel 63, and OCL 496) is a magnitude +9.7 open star cluster containing about 50 stars (down to +14.0 mag) located 5,400 light years away in the constellation Gemini.
The cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet, Berkshire, on the 8th March 1784. The cluster was rediscovered by Herschel on the 16th March 1784 and relisted as NGC 2355.
Right Ascension 07h 16m 59.2s, Declination -13° 45' 00"