NGC 5239 (also IRAS 13339+0737, MCG 1-35-15, UGC 8589 and PGC 48023) is a magnitude +12.8 face-on spiral galaxy located 324 million light-years away in the constellation Boötes.
The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet, Berkshire, on the 13th April 1784.
Right Ascension 13h 36m 26.3s, Declination +07° 22' 11"
