NGC 3304 (also MCG 6-23-26, UGC 5777 and PGC 31572) is a magnitude +13.8 barred spiral galaxy located 317 million light-years away in the constellation Leo Minor.
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 17th March 1787.
Right Ascension 10h 37m 37.9s, Declination Dec +37° 27' 23"
