SN 1983K was a type II supernova with plateau - shaped light curve .
Two supernovae have been observed in NGC 4699 , SN 1948A and SN 1983K .
SN 1983K was a SN 1983K     with plateau - shaped light curve .
Two supernovae have been observed in NGC 4699 , SN 1948A and SN 1983K .