Messier 21
Messier 21
Open star cluster in Sgr - M21 (NGC 6531)

Image Details
Scope GSO 200/800mm Newton
TeleVue Paracorr Coma Corrector
Camera Canon 40Da
Mount Losmandy G11
Guiding 80/900mm Refractor with ALccd5 and Guidemaster
Exposure 63min (21 x 180sek)
Date 10. August 2010
Location Waldbüttelbrunn / Würzburg (Germany)

Image Processing DeepSkyStacker, Fitsworks, CCDSharp, REGIM, Photoshop CS2
Complete field of view


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