Thread: Solar hydrogen alpha line observation on the cheap?
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Old 30-06-2014, 07:13 PM
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GUS.K (Ivan)
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Join Date: Jun 2014
Location: Medlow Bath
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Hi Newtonian, there is a cutaway diagram of a Lunt solar scope showing all the filters and coatings necessary for safe solar H alpha viewing ,its on the Solarchat site in the commercial filters/Hardware section about 10 posts down.

GUS.K
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