Otto Struve 525 (aka STT 525) is a triple-star system that features a golden primary (Star A) with two companions (stars B & C) in the constellation Lyra. The Star C is a pretty blue color. Also known as SAO 67566.
Tag Archives: Lyra
Struve 2470 and 2474: Lyra’s Other Entrancing Double Double
During summertime and autumn, Struve 2470 and 2474 make for an entrancing sight in the night sky. These two double-star systems are located close to each other and appear parallel due to their orientation. These four stars can appear in the eyepiece together, making for a beautiful harmony in the cosmos. Also known as SAO 67870 and SAO 67875.
Beta Lyrae (Sheliak): A Fast Star Dance in Lyra
The eclipsing binary of Beta Lyrae features two stars orbiting each other every 12.9 days!
Zeta Lyrae: Often Overlooked Pair of Stars in Lyra
Zeta Lyrae is a multiple star system in the constellation Lyra best viewed in summer and early autumn. The double star is easily viewed with any optical aid since the stars are bright and lie 44 arcseconds apart.
Eta Lyrae (Aladfar): A Massive, Luminous Binary Star
Eta Lyrae is both a variable and binary star in the constellation Lyra. The traditional name for the star is Aladfar, which is Arabic for the talons of a swooping eagle. You can view the binary from suburban skies with a smaller to medium sized telescope.
Epsilon Lyrae: Four Stars for the Price of Two — A Double Double
Epsilon Lyrae is a double binary system in the constellation Lyra. It’s best viewed in summer through early autumn. While some doubles are notable because of contrasting color, Epsilon Lyrae holds a surprise for first-time observers. On first look through binoculars or small scopes, you’ll see a pair of stars. Take a closer look, andContinueContinue reading “Epsilon Lyrae: Four Stars for the Price of Two — A Double Double”
Messier 56 (NGC 6779): A Globular Cluster Screaming Toward Us
This grouping of stars is around 84 light-year in diameter. What’s more, it’s screaming toward the earth at around 345,000 miles per hour!
Messier 57 (NGC 6720): The Ring Nebula
As I view the famous M57 planetary nebula tonight, I’m reminded that it never grows old on me.
The Garden Astronomer 