83. Albireo

Position not available. Multiple objects or no NGC/IC designation

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The Albireo is a double star designated Beta Cygni (β Cygni, abbreviated Beta Cyg, β Cyg). The International Astronomical Union uses the name "Albireo" specifically for the brightest star in the system. Although designated 'beta', it is fainter than Gamma Cygni, Delta Cygni, and Epsilon Cygni and is the fifth-brightest point of light in the constellation of Cygnus. Appearing to the naked eye to be a single star of magnitude 3, viewing through even a low-magnification telescope resolves it into its two components. The brighter yellow star, itself a very close binary system, makes a striking colour contrast with its fainter blue companion.

Image Information

Location Fingal ON
Date Jun 17 2010
Optics SV102ED
Filters None
Mount Celestron CGE
Camera Hutech 500DH
ISO 800
Subexposures 1
Exposure Length 10
Guider Stellarvue NH2/ST-4


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All images copyright © 2006-2021, Rick Saunders
Main text descriptions sourced from Wikipaedia.
Sky position information is based on IP geolocation and is therefore approximate.