This image is a mosaic of 15 separate and slightly overlapping 8.2 megapixel images from my Canon EOS-20D (unmodified), taken in Raw mode and converted and stitched together in Photoshop CS2. As you can see from the EXIF data, the exposures were each 1/5 second at ISO 100.
Though the moon is generally made of gray, dusty material it is very bright, photographically, since it is bathed in sunlight.
I mounted my 20D to my Meade LX200 GPS UHTC 10" Schmidt-Cassegrain telescope via my 2x Televue Powermate (a focal length doubler, similar to a teleconverter, which also serves to mate my camera to the 2" telescope eyepiece tube). Effective focal length was 5000mm f/20.
Looking through the viewfinder I swept across the surface in a zig-zag fashion, trying for about 1/3 overlap between frames. I triggered the shutter with my TC80-N3 remote timer/controller. I did the stitching by hand in Photoshop.
Since it is tremendously downsized from the original mosaic, which was almost 40 megapixels, and was taken at the camera's most noise-free setting (ISO 100), the data is very accurate, and thus I was able to strongly increase the saturation via Photoshop's Image - Adjust - Hue/Saturation function.
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