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RC8 star test - thoughts on Collimation?
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16-03-2018, 04:13 PM
LewisM
Novichok test rabbit
Join Date: Aug 2012
Location: Somewhere in the cosmos...
Posts: 10,388
Geez Andy, just buy an 8" apochromatic refractor and put all these worries behind you.
LewisM
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