Explore the bright orange star Schedar (α Cassiopeiae) in Cassiopeia. Discover its key facts, visual companions, and a personal observation guide for amateur astronomers. Also known as Alpha Cass and SAO 21609, α Cas, HIP 3179, HR 168, HD 3712, 18 Cas, GC 792
Category Archives: Double/Multiple Stars
Nu Boötis: The Pretty Optical Double Star in Boötes
Nu Boötis, also known as Nu-1 and Nu-2 Boötis, is a striking optical double star in the constellation Boötes. This colorful star pair, visible in binoculars and small telescopes, delights stargazers with its contrasting magnitudes and beauty in spring and summer skies.
57 Aquilae: A Light Topaz Blue Double
Tucked away in the Eagle’s wing, 57 Aquilae shines as a quiet pair of stellar companions. I spent some time at the eyepiece with this beautiful double star—here’s what I saw and why it left an impression.
Gamma Arietis (Mesarthim): An Icy Blue Double
Gamma Arietis is an icy-blue double star in the constellation Aries. The pair is best viewed in winter. At a magnitude of 3.86, urban stargazers will see the star with the naked eye.
Struve 79: A Delicate Pair in Andromeda’s Skies
Discover Struve 79, a fascinating binary star in Andromeda. Explore its colors, magnitudes, and observing tips for stargazers. Also known as SAO 36833 and 164 Andromeda.
HD 39881 (S 503): A Wide Double Star in Orion
Orion is a prominent winter constellation known for its bright stars, including Betelgeuse and the Orion Nebula, as well as double stars like S 503. This system, consisting of components A and B, offers viewing opportunities with binoculars and telescopes. Recent observations highlighted their visibility despite fading dawn light. Also known as SAO 95004, HD 39881, HR 2067, HIP 28066, BD+13 1036, GC 7469, 0728-03142-1
Eta Boötis (Muphrid): The Double Star Neighbor Beside Arcturus
Eta Boötis, known as Muphrid, is a subgiant star roughly 37 light-years from Earth, overshadowed by the brighter Arcturus. Muphrid shines with a magnitude of 2.7 and is accompanied by a fainter companion star. Observations reveal challenges in identifying its companions, highlighting its unique charm in the spring sky. η Boötis, HR 5235, HD 121370, HIP 67848, SAO 100766, BD+18°2759, SHJ 169
Iota Cassiopeiae: An Unforgettable Triple
Discover Iota Cassiopeiae, a triple star system hidden in Cassiopeia’s “W.” Through a telescope, it reveals a stunning trio of diamond-like stars.