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2399x 
Sagittarius Treasuries (M20, M8, NGC6559, IC4685) sLRGBHa Pavel Pech
http://blog.astrofotky.cz/pavelpech
Sagittarius Treasuries (M20, M8, NGC6559, IC4685) sLRGBHa
http://www.astro.cz/galerie/d/56899-1/SagittariusTreasuries.jpg