This is a combination of 1 image, each of 0.05 seconds The images were taken with a Alta-U9 attached to an William 110mm F/5.95 telescope. Each of the images was corrected with a dark frame and a flat field. This is using an Astrodon hydrogen alpha filter. It was taken to show the size of Comet 17P/Holmes.
It was piggy-backed onto a Meade 12" RCX which was used for guiding through a DSI-Pro
The William Optics telescope has been named the Ian Kanan Adams Pass telescope
Click here for the full resolution image