Tonight, we’re visiting a summertime favorite: the double star Albireo in Cygnus the Swan. Already 60° high in the east an hour after sunset, Albireo — also cataloged as Beta (β) Cygni — marks the head of Cygnus, sitting opposite the brighter star Deneb (Alpha [α] Cyg) at the Swan’s tail. Around 9 P.M. localContinue reading “The Sky Today on Friday, August 8: View Cygnus’ colorful double star, Albireo”
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