Alfirk (Beta Cephei)
Alfirk, Beta Cephei (β Cep), is a triple star system located approximately 690 light-years away in the northern constellation Cepheus. With an apparent magnitude of… Read More »Alfirk (Beta Cephei)
Brachium
Brachium (Sigma Librae)
Brachium, Sigma Librae A (σ Lib A) is the primary component of a binary star system located approximately 288 light-years from the solar system in… Read More »Brachium (Sigma Librae)