NGC 3391 (also IRAS 10462+1429, MCG 2-28-14, UGC 5920 and PGC 32347) is a magnitude +13.0 spiral galaxy located 136 million light-years away in the constellation Leo.
The galaxy was discovered by German astronomer Albert Marth using a 121.92 cm (48 inch) speculum reflector at William Lassell's Tigné Point observatory in Sliema, Malta, on the 1st April 1864.
Right Ascension 10h 48m 56.4s, Declination +14° 13' 10"
