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Variable stars in Cygnus


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Well , you don't often come across deep sky images of variable stars, so here's one :happy11: 

The LRGB image below is centered on the eclipsing binary star V0455 Cyg and has an Ha blend into the lum and red channels.  I've also included an annotated version that shows the position of another variable star 1386 Cyg that was also in the field of view. 

The image was  taken with my Esprit 150 and represents just under 15 hours integration time. 

Alan

1139650462_18.Final.thumb.jpg.26abcd92c2b87edf5ab419765a010770.jpg

 

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LIGHTS: L:17, R: 11, G:10, B:11 x 600s; H: 11 x 1800s all at -20C. 

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