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)
Delta 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)