Alphecca

alphecca star, alpha coronae borealis

Alphecca, Alpha Coronae Borealis (α CrB), is the brightest star in the constellation Corona Borealis, the Northern Crown. Also known as Gemma, Alpha CrB is an eclipsing binary star system that marks the jewel in […]

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 […]

Dubhe

alpha ursae majoris

Dubhe, Alpha Ursae Majoris (α UMa) is a spectroscopic binary star with an apparent magnitude of 1.79, located at an approximate distance of 123 light years from Earth. It is one of the seven bright […]