Albireo

Albireo, Beta Cygni (β Cyg) is a double star located in the constellation Cygnus. With an apparent magnitude of 2.90, it is the fifth brightest star in Cygnus and the faintest of the stars that […]

Regulus, Alpha Leonis (α Leo), is a multiple star system located in the constellation Leo. It lies at a distance of 79.3 light years from Earth. With a combined apparent magnitude of 1.36, it is […]

Mimosa, Beta Crucis (β Cru), is a multiple star system located in the constellation Crux. With an apparent magnitude of 1.25, it is the second brightest star in Crux and the 20th brightest star in […]

Acrux, Alpha Crucis (α Cru), is a multiple star system located in the constellation Crux. It is the brightest of the stars that form the Southern Cross, one of the best known asterisms in the […]

Fomalhaut, Alpha Piscis Austrini (α PsA), is a white main sequence star located in the constellation Piscis Austrinus, the Southern Fish. With an apparent magnitude of 1.16, it is the brightest star in Piscis Austrinus […]

Ascella, Zeta Sagittarii (ζ Sgr), is a multiple star system located in the constellation Sagittarius. It is the constellation’s third brightest star, after Kaus Australis and Nunki. The system has a combined apparent magnitude of […]

Rigel, Beta Orionis (β Ori), is a blue-white supergiant star located in the constellation Orion, the Hunter. With an apparent magnitude of 0.13, it is the brightest star in Orion and the seventh brightest star […]

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 […]

Meissa, Lambda Orionis (λ Ori), is the star that marks the head of Orion, the Hunter. It is a multiple star system with a combined apparent magnitude of 3.33, located at an approximate distance of […]

Alcor is a double star in the constellation Ursa Major. It is the naked-eye companion to Mizar, the middle star in the handle of the Big Dipper. Alcor has the Bayer designation g Ursae Majoris […]