IC 4660 (also MCG 12-13-23, UGC 10848 and PGC 60124) is a magnitude +13.6 spiral galaxy located 57 million light-years away in the constellation Ursa Minor.
The galaxy was discovered by Welsh amateur astronomer Isaac Roberts using a 40.6 cm (20 inch) (100 inch focal length) Howard Grubb silver-on glass reflector in Crowborough, Sussex, England, on the 11th September 1895. The galaxy hosted Supernova 2010gi
Right Ascension 17h 21m 45.0s, Declination +75° 50' 55"