About HD 193576
HD 193576 is an epic variable star. It lies about 2,077.4 light-years from Earth, sits in the constellation Cyg, shines at apparent magnitude 7.93 and has spectral type WN5 + O6.
Its spectrum reads WN5 + O6 — a Wolf-Rayet star: a stellar monster shedding its own outer layers in a ferocious wind, on its way to a supernova.