About HD 193077
HD 193077 is a rare star. It lies about 561.4 light-years from Earth, sits in the constellation Cyg, shines at apparent magnitude 7.99 and has spectral type WNs....
Its spectrum reads WNs... — a Wolf-Rayet star: a stellar monster shedding its own outer layers in a ferocious wind, on its way to a supernova.