NGC 3689 (also MCG 4-27-37, UGC 6467 and PGC 35294) is a magnitude +12.3 spiral galaxy located 126 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 6th April 1785.
Right Ascension 11h 28m 10.8s, Declination +25° 39' 41"
