This image of Sharpless 2-298, Thor's Helmet Nebula, was taken with the Hyperstar 3 equipped Nexstar 11GPS on 3/12/13 under the light-polluted skies of Tempe, AZ. This image is the result of a stack of 30 second subs taken with a "monofied" Nikon d90 with an Astronomik Ha clip filter placed in the Nikon. See the "Project Nikon" section of this website for more information about this unique camera.
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