NGC 539 (also NGC 563, PGC 5269, ESO 542-10, MCG -3-4-63 or NPM1G -18.0062) is a magnitude +13.5 barred spiral galaxy located 441 million light-years away in the constellation Cetus.
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 31st October 1886.
Right Ascension 25d 01h 21.7s, Declination -18° 09' 52"
