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Collimination - SCT - question - seeing a diamond ring pattern when unfocused
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22-06-2008, 11:46 PM
g__day
(Matthew)
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Join Date: Dec 2005
Location: Sydney
Posts: 2,902
Its outside in a permanent astro-lab, so I'd guess its at ambient temperature by the time I start to image - maybe 8 or 9pm?
g__day
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