Thuban

thuban star,alpha draconis

Thuban, Alpha Draconis (α Dra), is a spectroscopic binary star system located in the constellation Draco. Even though it has the designation Alpha, it is only the eighth brightest star in Draco. It has an […]

Mu Cephei

garnet star

Mu Cephei (μ Cep) is a red supergiant located in the constellation Cepheus. With an average apparent magnitude of 4.08, it is the 10th brightest star in the constellation. Also known as Herschel’s Garnet Star […]

Alderamin

alpha cephei, alderamin star

Alderamin, Alpha Cephei (α Cep), is a white main sequence star located in the constellation Cepheus. With an apparent magnitude of 2.5141, it is the constellation’s brightest star. It lies at a distance of 49.05 […]

Castor

alpha geminorum

Castor, Alpha Geminorum (α Gem), is a sextuple star system located in the constellation Gemini. It is composed of three binary pairs designated Castor A, Castor B and Castor C. The Castor sextet has a […]