NGC 3102 (also MCG 10-15-7, UGC 5418 and PGC 29220) is a magnitude +13.3 elliptical galaxy located 141 million light-years away in the constellation Ursa Major.
The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Windsor Road, Slough, on the 9th April 1793.
Right Ascension 10h 4m 31.7s, Declination +60° 06' 28"
