The Rosette Nebula in RGB & Hydrogen Alpha
Rosette HaRGB

The Rosette Nebula
Scope: Planewave 12.5" CDK
Camera: Apogee U16M w Astrodon Generation II HaRGB Filter set
7 x 30 minutes H-Alpha
2 x 10 minute Red, 6 x 10 min Green and Blue
Lucknow, Ontario, Canada
Feb / Mar, 2015
Camera temp -25C; Moon three days past full
Images captured w TheSkyX and CCD-Commander
Darks and flats applied in Maxim 
Registration in Maxim
Post processing in Photoshop CC 2014
H-Alpha blended into RGB Lighten Mode