Group Challenge - Rosette Nebula and Cluster  
Rosette-Neb-HaRGB

Rosette-Neb-HaRGB(John W Burt)

Acquisition Date : 2 Jan 2009
Camera : Self-modified Canon 350D
Camera Settings : 800iso 10x8mins colour, 20x8mins H-alpha (Baader 2" H-alpha filter)
Telescope : Skywatcher ED80 with O.8x Reducer
Mount : Orion Atlas EQ-G with EQMOD
Adapter / Prime / Afocal / Other : Prime Focus
Processing Package / Processing Applied : Images Plus, PS
Web Site : www.flickr.com/darknights
NOTES : Not really sure of the best way to combine the colour channels so used Ha as the luminance layer

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