Thread: cleaning a C9.25 XLT
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Old 11-04-2020, 08:42 PM
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Sunfish (Ray)
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Join Date: Mar 2018
Location: Wollongong
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Willy Koorts is the SCT cleaning master
Check his YouTube from the observatory .

https://youtu.be/e66yIuD3cMk

Also his you tube on vacuum depositing aluminium on a mirror is excellent.
Last edited by Sunfish; 11-04-2020 at 08:43 PM. Reason: Spelling
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