Thread: Okayama Astrophysical Observatory 188cm primary mirror cleaning
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Old 20-10-2018, 09:07 PM
dpastern (Dave Pastern)
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Join Date: Jan 2009
Location: Brisbane
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Quote:
Originally Posted by Lognic04 View Post
Imagine the zones after baking soda polishing
i wouldn't think they'd use Baking Soda if it caused any issues though?
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