The double-star system known as 10 Lacertae resides in Lacerta, the constellation of the lizard, a dim constellation visible in the autumn and winter nights. The sky lizard offers a rich collection of deep-sky objects, and 10 Lacertae is one of them. Compared to 8 Lacertae, with its well-known multiple bright blue stars, 12 LacertaeContinueContinue reading “10 Lacertae: A Blistering, Brillant Hot Blue Double Star”
Category Archives: Double/Multiple Stars
66 Ceti: A Double Star of Buttery Yellow and Lavender
66 Ceti shines from the sea monster Cetus, swimming through the night skies of autumn to early winter. Backyard astronomers turning their scopes to 66 Ceti will find a close attractive pair of stars, one with a yellow hue and the other lavender in color.
56 Andromedae: A Golden Orange Treat
56 Andromedae is a 6th magnitude binary star in the Andromeda constellation best viewed on autumn nights. Backyard astronomers under suburban skies can view 56 And with binoculars because both stars and bright and wide apart.
HD 190466: A Deep Cherry Red Treat in Cygnus
HD 190466, also known as Herschel 1470 (HJ 1470), is a variable double star in the constellation Cygnus.It has a pretty cherry red hue and is part of the Chapel Arch viewable from the suburban locations.
Zeta Persei: A Blowtorch with Several Companions
Zeta Persei (ζ Persei) is a multiple-star system in the constellation Perseus. Backyard astronomers can enjoy this tight pair of stars on autumn and winter nights.
The supergiant, hot star burns 47,000 time that of our sun and is huge at 26 times the size of our sun!
It will eventually meets its fate exploding as a supernova.
HD 189751 (SAO 69238): A Double Among a Colorful Stream in Cygnus
HD 189751 is a variable and double star in the constellation Cygnus. The binary is also known as SAO 69238 and STT 394. It is a 7th magnitude star.
Sigma Cassiopeiae: The “Smalt” Blue Jewel
Sigma Cassiopeiae is a rewarding binary star to see in the constellation of Cassiopeia. Backyard astronomers will want to use higher power to separate the pair. This is a great double star to view on fall nights.
HD 919: A Red Variable Double Star in Cepheus
HD 919, also known as HIP 1124 or STTA 1, is a variable double star in the constellation Cepheus that warrants a look due to its pretty red color contrasted against a white secondary star.
The Garden Astronomer 