Thread: First.... Observing Log
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Old 20-04-2005, 09:27 AM
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[1ponders] (Paul)
Retired, damn no pension

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Join Date: Nov 2004
Location: Obi Obi, Qld
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Divide your telescopes Focal length by the Focal length of your eyepiece. eg 1800 mm (only guessing) / 12.5 mm = 144X
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