3C 58
= 3C 58
{wiki=3C_58}
3C 58 is a supernova remnant located in the constellation Cassiopeia, approximately 6,000 light-years away from Earth. It is associated with the historical supernova that was observed in 1181 AD. 3C 58 is notable for its association with a neutron star, which is the remnant core of the massive star that exploded as a supernova.