I finally managed to capture some RGB-data of the Rosette Nebula. After several failed attempts due to bad seeing and too much moonlight, I managed to capture a few hours of good RGB data during the night of march 13th.
This is the result of the RGB combined with the previously captured Ha-data.
Object: NGC2037 / Caldwell 49 The Rosette Nebula
Date: 13.03.2015
Location: Backyard, Asker, NO
Camera: SBIG-STT-8300 MONO CCD
Optics: Takahashi FSQ-106EDX III (w/reducer) 385mm f/3.6
Exposure: Ha 10x1200sec + RGB 20×600(bin 2×2)
Filter: Astrodon Hydrogen Alpha 5nm + RGB
Calibration: Darks, Bias, Flats
Guiding: MaxIm DL, SBIG Selfguiding FW
Post processing: MaxIm DL, Photoshop CS5
Håvard's Observatory 