NGC 3431 (also IRAS 10487-1644, MCG -3-28-14 and PGC 32531) is a magnitude +13.6 spiral galaxy located 241 million light-years away in the constellation Crater.
The galaxy was discovered by American astronomer Francis Preserved Leavenworth using a 66.04 cm (26 inch) Alvan Clark & Sons refracting telescope at the Leander McCormick Observatory at the University of Virginia in Charlottesville, Virginia on the 5th January 1887
Right Ascension 10 51 15.0 Declination -17° 00' 30"