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Widefield narrowband M42+Horsehead
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09-11-2019, 05:45 AM
CalvinKlein
(Kelvin)
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Join Date: Aug 2018
Location: Cudgen NSW
Posts: 171
Tony have you checked the lens for de-centering ?
This guy explains it very well and has a simple test.
(you dont need to print the test pattern out by the way - you can display it on the monitor)
https://www.youtube.com/watch?v=QVD2Q-3HbVo
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