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Hi David, the imaging train is just a little too long to pass between the forks, however it does allow me to image to 78 to 85 degrees (78 at scope control panel side and 85 the rest). When imaging i set the scope upper limit in the autostar controller.
I only lose 5 to 12 degrees of sky for imaging, however i use a field de-rotator at the moment and it does not go well at 85 to 90 degrees anyway.
To shorten the image train i made a few mods, the Petersons focuser upgrade allows smooth focus and locking of mirror so i could remove the motor focus and still have precise focus then i removed the derotator sct thread on telescope side to allow the derotator to slide into the 2 inch adapter at back of scope, then the standard 105mm from reducer to camera chip includes OAG and filter drawer.
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