This is a combination of 30 images, each of 30 seconds The images were taken with a ST-402ME attached to an Nikon 64.29mm F/2.8 camera lens (focal length = 180mm). Each of the images was corrected with a dark frame and a flat field.
The lens/ST-402ME combinatino was attached piggyback to a Meade 5" refractor. There was no guiding during the exposure