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Two focusing motors for guiding?

Posted: Wed Jun 06, 2007 4:53 am
by oldfield
Suppose I've a manual EQ mount with only RA tracking, and I remove the manual slow motion knobs and attach two focusing motors to them, one for RA fine adjustment and one for DEC fine adjustment, given the RA manual control knob can be used whilte the RA motor is running for it has a slip clutch there.

Do you have any product which can do webcam autoguiding to this mount?

Posted: Wed Jun 06, 2007 12:24 pm
by dpanderson
Sorry, we don't have a product that would work directly. However, if you use some relays with your DC motors, and hook them up as shown in this schematic:
http://store.shoestringastronomy.com/do ... _Motor.pdf
you should be able to use the GPUSB or GPINT-PT to drive the motors and thus autoguide your mount.

The pushbuttons shown in the schematic are optional, only if you also want a handcontroller that can be used to activate the motors.

I hope this helps!