NGC 3633 (also IRAS 11178+0351, MCG 1-29-32, UGC 6351 and PGC 34711) is a magnitude +13.5 spiral galaxy located 119 million light-years away in the constellation Leo.
The galaxy was discovered by American astronomer Lewis Swift using a 40.6 cm (16 inch) Alvan Clark and Sons refractor at the Warner Observatory, East Avenue, Rochester, New York, on the 23rd March 1887.
Right Ascension 11h 20m 26.2s, Declination +03° 35' 08"
