Quote:
Originally Posted by johnnyt123
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Just want to ask if in order to verify drift aligning has been successful, can you ask the scope to goto the SCP and rotate the scope about the RA axis and see whether the SCP moves anywhere? ....
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In a perfect world, with a perfect mount, yes - unlikely though, due to cone error etc etc.
Have a look into plate solving - this lets you accurately, to within arc seconds of determining where you are pointing. Slew to Dec 0 somewhere, solve the co-ords, then slew a couple of hours in RA only, if you are perfectly polar aligned, the new location's Dec should still be zero, polar misalignment will show as Dec drift....