Phecda (Gamma Ursae Majoris)
Phecda, Gamma Ursae Majoris (γ UMa), is the primary component in an astrometric binary system located 83.2 light-years away in the constellation Ursa Major. With… Read More »Phecda (Gamma Ursae Majoris)
Alcor
Rigel
Rigel, Beta Orionis (β Ori), is a blue-white supergiant star located approximately 848 light-years away in the constellation Orion, the Hunter. With an apparent magnitude of… Read More »Rigel
Alphecca
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… Read More »Alphecca
Alcor
Alcor is a double star in the constellation Ursa Major. It is the fainter companion to Mizar, the middle star in the handle of the… Read More »Alcor
Mizar
Mizar, Zeta Ursae Majoris (ζ UMa), is a quadruple star system in Ursa Major. It has a combined apparent magnitude of 2.04 and lies at… Read More »Mizar