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Old 26-09-2021, 03:50 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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I would have thought his comparison would have included the Baader CCD Blue filter and the Baader Venus filter
https://www.baader-planetarium.com/e...er-(blue).html
https://www.baader-planetarium.com/e...---350nm).html
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