NGC 2678 is a magnitude +14.6 open star cluster located 2900 light-years away in the constellation Cancer.
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 15th March 1784.
Right Ascension 08h 50m 02.7s, Declination Dec +11° 20' 19"
