Acamar

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 […]

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 […]

Gamma Cassiopeiae (γ Cas) is a spectroscopic binary star located in the constellation Cassiopeia. Informally known as Navi, it is one of the four brightest stars in Cassiopeia. With an apparent magnitude that varies from […]

Ruchbah, Delta Cassiopeiae (δ Cas) is an eclipsing binary star system located in the constellation Cassiopeia. With an apparent magnitude of 2.68, it is the fourth brightest star in Cassiopeia, after Gamma Cassiopeiae, Schedar and […]

Alhena, Gamma Geminorum (γ Gem), is a spectroscopic binary star system located in the northern constellation Gemini. With an apparent magnitude of 1.915, it is the third brightest point of light in Gemini, after Pollux […]

Rasalhague, Alpha Ophiuchi (α Oph), is a binary star system located in the constellation Ophiuchus. It marks the head of the celestial Serpent Bearer. With an apparent magnitude of 2.07, it is the brightest point […]

Algol, Beta Persei (β Per) is a triple star system located in the constellation Perseus. Commonly known as the Demon Star, it is one of the best-known variable stars in the sky and a prototype […]

Alpheratz, Alpha Andromedae (α And), is a spectroscopic binary star located in the constellation Andromeda. It marks Andromeda’s head. With a combined apparent magnitude of 2.06, it is one of the two brightest stars in […]

Markab, Alpha Pegasi (α Peg), is a giant or subgiant star located in the constellation Pegasus. Even though it has the designation Alpha, it is only the third brightest star in the constellation, after Enif […]