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Hi all - I'm just about to build a new controller for my old Orion scope on a GEM1 mount - I know getting hold of a controller is near enough impossible now, so I'm going to make one with a microcontroller and an analogue joystick (for variable slewing rate). I'll post the results as I build it, and will make the details available for free - was just wondering how many of these mounts are still out there?