Just a word of warning Octane, in my research I have found that if your imaging using a CCD you need to ensure that the CCD and other devices are plugged into a powered USB hub as the Pi lacks the amps. Also you have to ensure you plug the Pi into the same hub (for power) to ensure there is no differential between devices in regards Voltage and Grounding.
You can plug them in separately but it creates image noise (because the Pi isn't independently grounded.)
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