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Old 23-04-2011, 06:06 AM
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Gem (Grant)
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SCT and field derotators

Hi all

I was wondering if anyone out there has used a SCT with a field derotator for imaging. Is it effective enough for average imaging? I don't have a permanent place for a scope and live in town so anything that might eliminate the need for polar alignment would be a benefit (timewise especially).

Thanks!
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  #2  
Old 23-04-2011, 02:44 PM
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Merlin66 (Ken)
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The Lx200 series de-rotator works well - I think this is being covered on your other thread. I used one for spectroscopy, OAG guiding with PHD....
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Old 23-04-2011, 07:50 PM
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Bassnut (Fred)
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Get a wedge.
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