Algol
Algol, Beta Persei (β Per) is a triple star system located in the constellation Perseus. Commonly known as the Demon Star, it is one of… Read More »Algol
Messier 34
Almach
Almach, Gamma Andromedae (γ And), is a quadruple star system located in the constellation Andromeda. With an apparent magnitude of 2.27, it is the third… Read More »Almach