About HD 201345
HD 201345 is an epic star. It lies about 2,965.1 light-years from Earth, sits in the constellation Cyg, shines at apparent magnitude 7.78 and has spectral type O9p.
Its spectrum reads O9p — an O-type star — the hottest, rarest main class there is. Fewer than one star in a million is an O, and none of them lasts long.