NGC 3507 (also MCG 3-28-53, UGC 6123 and PGC 33390) is a magnitude +11.9 face-on barred spiral galaxy located 45 million light-years away in the constellation Leo.
The galaxy 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 14th March 1784.
Right Ascension 11h 03m 25.5s, Declination Dec +18° 08' 05"
