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Telescope for Planetary viewing and DSO's
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07-05-2019, 03:57 PM
Startrek
(Martin)
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Join Date: Dec 2017
Location: Sydney and South Coast NSW
Posts: 6,069
Peter
Some more information on collimating a Newtonian Telescope
Some practical advice with diagrams
Go to Starizona.com
Cheers
Startrek
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