NGC 5603 (also NGC 5603A, IRAS 14210+4036, MCG 7-30-8, UGC 9217 and PGC 51382) is a magnitude +13.0 face-on spiral galaxy located 260 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 Windsor Road in Slough, Berkshire, on the 29th April 1788.
Right Ascension 14h 23m 01.6s, Declination +40° 22' 40"
