Thread: A somehow failed experiment
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Old 09-09-2019, 04:47 PM
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multiweb (Marc)
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Quote:
Originally Posted by Slawomir View Post
That's a very deep Helix Marc You are now tempting me - I keep dreaming of an F/3 10" quality Newtonian...
Even an 8" F/4 would be faster than your refractor and still relatively easy to collimate.
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