I'm glad you got things working.

However, if it were me, I'd much rather use the guidescope and ASI120mm for polar alignment than a DSLR. The main reason is when it comes time to adjust the alt/az bolts, you want to loop images quite quickly, about 1 per second. I've never been able to loop images from a DSLR anywhere near that fast. Faster looping of images makes the polar alignment routine so much more pleasant. And don't worry about accuracy, the resolution of a guide scope with the guide camera is plenty high enough to get you a good polar alignment. If you're autoguiding, you only need to be within a few arc-minutes of "perfect".

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