July-Aug 2011; Northbrook, IL (mag 3 sky, looking through Chicago light dome)
Ha 13x15min
R 9x5min
G 12x5min
B 12x5min
Scope: C9.25 (235mm) at f/10
Mount: Losmandy G-11/Gemini
Camera: QSI-583ws camera, -15C, all images binned 2x2
Images acquired w/ MaxIm DL 4 plus custom automation script written in Python.
Stacked in CCDStack2; Stacked in CCDStack2; then Ha channel blended into Red, somewhat into Blue
Channels combined and processed in Photoshop CS2
Cropped to show central region of nebula similar to famous Hubble image.