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Hercules Globular Cluster (M13)

CCD Atik 314L+

Schmidt-Cassegrain reflector 203 mm with focal reductor F/6.3 (focal : 1280mm)

EQ6 Goto autoguided

 

LRGB (Astrodon filters)

Luminance (IR cut) : 15x3min (45 min)

RGB : 5x3min (15 min) each layer

Total : 90 min

 

Processed with Iris

 

Location : Solemont (France)

Date : 23/08/09 - 20h35 to 22h34 UT

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Uploaded on August 25, 2009
Taken on August 23, 2009