Get a close look at STF 730, a nearly equal double star perfect for winter observing. This article includes my own telescope sketch and notes on the subtle color contrast between the faintly blue primary and white secondary. Ideal for double star enthusiasts building their observing lists.
Category Archives: Double/Multiple Stars
Struve 3116: A Tight Double Star in Canis Major
Learn about the tight double star Struve 3116—its close 3.9″ separation, blue-white components, and observing tips. This article also includes my personal sketch so you can see how the pair appears through the eyepiece. Known as SAO 151401, HD 44458.
Altair: A Bright, Fast-Spinning Beacon in the Summer Sky
Discover Altair, one of the brightest stars in the Summer Triangle. This blog explores its rapid spin and includes a personal telescope sketch for stargazing enthusiasts.
ARY 33 (HD 224612): A Wide Double Star in Cassiopeia
Explore the wide double star ARY 33 in Cassiopeia—its characteristics, discovery history, and tips for amateur stargazers to observe this unique stellar pair.
Schedar: The Bright Heart of Cassiopeia
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
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.
The Garden Astronomer 