Thread: Celestron 4se
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Old 08-01-2015, 07:44 PM
Hans Tucker (Hans)
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Join Date: Jul 2008
Location: Melbourne
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Also, a telescope needs to be at thermal equilibrium with the outside temperature in order to perform at its best so make sure you allow enough time for your scope to reach equilibrium otherwise the views with be soft and blurred. So set up at least an hour before your intended observing time.
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