Rasalhague

rasalhague star,alpha ophiuchi

Rasalhague, Alpha Ophiuchi (α Oph), is a binary star system located in the constellation Ophiuchus. It marks the head of the celestial Serpent Bearer. With an apparent magnitude of 2.07, it is the brightest point […]

Unukalhai

unukalhai star,alpha serpentis

Unukalhai, Alpha Serpentis (α Ser), is an orange giant star located in the constellation Serpens. With an apparent magnitude of 2.623, it is the constellation’s brightest star. It lies at a distance of 74 light […]

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 […]