Doing a bit of research and came across this article that has a number of useful formulas and descriptions of H alpha filters system configurations, as well as safety and exposure levels for UV and IR:
http://sunsteinlaw.com/media/sidorin_sunshine.pdf
Might be good to place in the Library...
A useful article
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- Bob Yoesle
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A useful article
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Re: A useful article
Interesting article, thanks Bob, it's in the library now.
http://brierleyhillsolar.blogspot.co.uk/
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