Aludra

Aludra, Eta Canis Majoris (η CMa) is a blue supergiant located in the constellation Canis Major. It marks the Greater Dog’s tail. With an apparent magnitude of 2.451, it is the fifth brightest star in […]

Ankaa, Alpha Phoenicis (α Phe), is a spectroscopic binary star located in the southern constellation Phoenix. The primary component in the system is an orange giant about 15 times larger than the Sun. With an […]

Acamar, Theta Eridani (θ Eri), is a binary star system consisting of two white class A stars located in the constellation Eridanus. The system has an apparent magnitude of 2.91 and lies at a distance […]

VX Sagittarii is a red hypergiant star located in the southern constellation Sagittarius. It is one of the largest stars known, with a radius over a thousand times that of the Sun. With an apparent […]

Stephenson 2-18 (St2-18) is a red supergiant located in the constellation Scutum. Also catalogued as Stephenson 2-DFK 1 and RSGC2-18, it is the current record holder for the largest star known, with a size 2,150 […]

Rho Ophiuchi (ρ Oph) is a multiple star system located at an approximate distance of 360 light years from Earth in the constellation Ophiuchus. The main pair in the system, Rho Ophiuchi AB, has a […]

Sabik, Eta Ophiuchi (η Oph), is a binary star system composed of two white subgiant stars located in the constellation Ophiuchus. With a combined apparent magnitude of 2.43, it is the second brightest point of […]

Zubenelgenubi, Alpha2 Librae (α2 Lib), is a spectroscopic binary star located in the constellation Libra. It is the brighter component of the Alpha Librae system, which also contains Alpha1 Librae, another spectroscopic binary. With an […]

Zubeneschamali, Beta Librae (β Lib), is a blue-white main sequence star located in the constellation Libra. With an apparent magnitude of 2.61, it is the brightest star in Libra, only barely outshining its neighbour Zubenelgenubi […]

Alpha Centauri (α Cen) is a triple star system located in the constellation Centaurus. It is the nearest star system to the Sun and the third brightest point of light in the sky outside the […]