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Originally Posted by Orion
One thing to remember is that if you wan to motorize your telescope so it's slews to a destination and then tracks on the object, you will get field rotation.
Now there is nothing wrong with this when do visual work but there is if you want to do astrophotography! If imaging or astrophotography is what you want to do I would go with a equatorial platform.
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Or build a field derotator. I think you can even buy these in the USA and it'll link up to the Bartels system. Check the Yahoo scopedrive forum. NB I don't own one & have never used one. I'm in the process of making the gears to drive a 12" Bartels dob.
--GD