Each of the red, green, and blue images is a combination of 3 images, each of 480 seconds The images were taken with a Pictor 1616 with a Pictor 616 filter wheel attached to an Meade 10" F/6.425 telescope. A Pictor 201XT was attached to an ETX for guiding. Meade Red, Green, and Blue filters were used. Each of the images was corrected with a dark frame and a flat field. The same flat field was used for each of the color channels.
Click here for the full resolution image