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 The stock 10D, unmodified is truly
            a fun camera. Despite its nearly total lack of red sensitivity,
            it is possible to get decent shots of the sky at dark sky sites.
            I am also getting much better at processing these images, and
            getting a clearer understanding of exactly what the 10D does
            during long exposures. This image, is a stack of two 8 minute
            frames taken piggy back on my Schmidt camera during a long nights
            run last week. The field size is huge with the 17mm L lens! Orion
            can be seen in the lower right corner, and Auriga straight up
            above it, with brilliant Capella at the top. Canis Major and
            Minor are on the left side of the image. 

            
Processing: Images stacked
            and aligned, and background flattened in PixInsight. Color correction
            in Photoshop. The hydrogen nebulosities normally come out a magenta
            color with this camera. They were skewed in PS to the proper
            red color.

Instrument:  17-40mm f/4 L at 17mm
Platform:  Homemade GEM
Camera:  Canon 10D @ ISO800
CCD Autoguider: ST4
Exposure:  2x8mins
Filters:  NONE
Location:  Happy Jack, Arizona
Elevation:  6800 ft.
Sky:  Seeing 8/10, Transparency 10/10
Outside Temperature:  5 C
Processing: Photoshop, PixInsight Pro.
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