Thread: Portable Star Trackers
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Old 23-01-2022, 11:42 AM
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gregbradley
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Join Date: Feb 2006
Location: Sydney
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Needing a good polar alignment starts at about 35-50mm focal length. 85mm will definitely show elongated stars without a good PA.

30 seconds is all you need for nightscapes. ISO3200 F2.8. Take 8 subexposures.

Works well.

Greg.
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