Sh2-137_HaRGB_big
Camera: Apogee U16M w Astrodon Gen II LRGB filters
Scope: AP155 EDF F/7 w Robofocus
Mount: Paramount ME
9 x 15 min H-Alpha; 6 x 10 min each RG, 7 x 10 min Blue
Acquired with CCDSoft5 using CCD-Commander automation
Dark and Flat Calibration plus Alignment and Sigma Reject combine in Maxim DL
Levels, Curves and Contrast adjustment in Photoshop CS5