NGC 4173 (also MCG 5-29-33, UGC 7204 and PGC 38897) is a magnitude +13.0 spiral galaxy located 52 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 11th April 1785.
Right Ascension 12h 12m 21.5s, Declination +29° 12' 26"
