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Old 17-04-2013, 12:32 PM
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Shiraz (Ray)
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Join Date: Apr 2010
Location: ardrossan south australia
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Lewis - I should have added that the sub times also depend on the sky brightness - the figures I gave are for dark skies. If you have bright sky, you can use shorter subs and not mess up the SNR - it will already be bad and a bit more read noise will not make much difference. Regards ray
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