Albireo

 Binary Star

 In constellation Cygnus

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Albireo is the brightest star in Cygnus

 and one of the most beautiful binary stars

showing a wonderful colour contrast.

 The stars are seperated by 34 seconds of arc

and are located around 385 light years away.

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RA 19^h 30^m 43.03^s

DEC +27° 57′ 35.0″

Yellow star has a magnitude of 3.10 and weighs 5

solar masses with a  temperature of 4,400 Kelvin.  

Blue star has a magnitude of 5.10 and weighs 3.3

solar masses with a  temperature of 12,100 Kelvin.

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Imaging Scope : William Optics 110 [TEC]

Focal Length = 2860mm

Imaging Camera : Canon EOS 350 DSLR

Televue Radian 6mm : Televue Powermate 4X

EQ6 Pro GEM Mount : Unguided

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Single 10 second exposure at ISO 1600

Baldrine, Isle of Man, British Isles. 01:30 on 28/05/2006.