Acrux
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… Read More »Acrux
Main Sequence Stars
Izar
Izar, Epsilon Boötis (ε Boo), is a contrasting binary star located in the constellation Boötes. It is one of the finest double stars to observe… Read More »Izar
Ascella
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… Read More »Ascella
Castor
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,… Read More »Castor
Bellatrix
Bellatrix, Gamma Orionis (γ Ori), is the third brightest star in Orion constellation, after Rigel and Betelgeuse, and the 26th brightest star in the sky.… Read More »Bellatrix
Achernar
Achernar, Alpha Eridani (α Eri), is a class B hydrogen-fusing dwarf located in the constellation Eridanus. Its estimated luminosity is 3,150 times that of the… Read More »Achernar
Megrez
Megrez, Delta Ursae Majoris (δ UMa), is the faintest of the seven stars that form the Big Dipper asterism. It is a third magnitude star… Read More »Megrez