Asterope
Asterope, 21 Tauri (21 Tau), is a blue-white main sequence star located in the constellation Taurus. It is one of the brightest stars in the Pleiades cluster (Messier 45), one of the brightest and nearest […]
Main Sequence Stars
Alcyone
Alcyone, Eta Tauri (η Tau) is a multiple star system located in the constellation Taurus, the Bull. With an apparent magnitude of 2.87, Alcyone is the third brightest star in Taurus, after Aldebaran and Elnath, […]
Alderamin
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 […]
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 […]
Alnair
Alnair, Alpha Gruis (α Gru), is a blue-white main sequence star located in the constellation Grus. With an apparent magnitude of 1.74, it is the brightest star in Grus and the 30th brightest star in […]
Regulus
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 […]
Spica
Spica, Alpha Virginis (α Vir), is a blue-white spectroscopic binary star located at a distance of 250 light years from Earth in the constellation Virgo. With an apparent magnitude of 0.97, it is the brightest […]
Mimosa
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
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 […]
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 in a telescope. Izar lies at an approximate distance of […]