Thread: Pixel size/focal length
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Old 25-07-2019, 09:40 AM
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Camelopardalis (Dunk)
Drifting from the pole

Camelopardalis is offline 		 
Join Date: Feb 2013
Location: Brisbane
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For comparison with DSO, your f/15 scope would take 14x longer to expose to the same level as a f/4 astrograph...
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