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Old 31-10-2008, 02:46 PM
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[1ponders] (Paul)
Retired, damn no pension

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Join Date: Nov 2004
Location: Obi Obi, Qld
Posts: 18,778
If you are autoguiding your f7 WO will be plenty long enough. If you are manually guiding then aim for 1.25x the FL of your imaging scope at least.
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