About HD 188915
HD 188915 is an epic variable star. It lies about 1,698.7 light-years from Earth, sits in the constellation Aql, shines at apparent magnitude 10.82 and has spectral type M6e-M9.
Its spectrum reads M6e-M9 — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.