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Old 23-06-2013, 09:05 PM
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RobF (Rob)
Mostly harmless...

RobF is offline
Join Date: Jul 2008
Location: Brisbane, Australia
Posts: 5,529
Have a play with CCDCalc and see what you need to get around 1-2 arcsec/pixel? Its freeware, so nothing to lose. Most serious astrophotrographers post their OTA and camera info, so you can look at how other people produce images that mean something to you.
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