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NGC6888 HaRGB Crescent Nebula 



 

Location Varia Agrinion, Greece
Date 29-30/07/2011
Telescope Sky-Watcher 190mm Mak-Newtonian
Mount NEQ6-Pro
Camera QHY8 Colour
Guiding Finder 8x50+QHY5+PHD 1.12.3
Exposures Ha 1x10min+17x15min+RGB 30x10min=09:25Hours.
Calibration Frames 40xBIAS,40xFLATS,40XDARK FLATS
Capture Nebulosity
Stack Deep Sky Stacker
Processing Pixinsight 1,6 core, Photoshop, CS5