NGC 3728 (also MCG 4-27-61, UGC 6536 and PGC 35669) is a magnitude +13.0 face-on spiral galaxy located 320 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 10th April 1785.
Right Ascension 11h 33m 15.7s, Declination +24° 26' 51"