NGC 5431 (also MCG 2-36-20 and PGC 50046) is a magnitude +13.9 spiral galaxy located 274 million light-years away in the constellation Boötes.
The galaxy was discovered by German astronomer Ernst Wilhelm Leberecht Tempel using a 27.94 cm (11 inch) f/19 refractor at the Arcetri Observatory on the 25th April 1883.
Right Ascension 14h 03m 07.2s, Declination +09° 21' 47"