This image is a combination of 3 layers. Layer 1 exposure of 300 seconds through a Red filter. Layer 2 exposure of 300 seconds through a Green filter. Layer 3 exposure of 300 seconds through a Blue filter. This used 2x2 binning. The images were taken with a SBIG STT-8300 3 CCD Camera attached to a and was corrected with both a dark frame and a flat field.
Click here for the full resolution image