NGC 4670 (also Arp 163, IRAS 12428+2724, MCG 5-30-72, UGC 7930 and PGC 42987) is a magnitude +12.7 spiral galaxy located 49 million light-years away in the constellation Coma Berenices.
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 6th April 1785.
Right Ascension 12h 45m 16.9s, Declination +27° 07' 33"