This image is a combination of 3 layers. Layer 1 5- images each with an exposure of 300 seconds through a RED filter. Layer 2 11- images each with an exposure of 300 seconds through a GREEN filter. Layer 3 11- images each with an exposure of 300 seconds through a BLUE filter. This used 2x2 binning. The images were taken with a SBIG STT-8300 3 CCD attached to a LX200 12" F/10
The system used a self guider.