A useful article

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Bob Yoesle
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A useful article

Post by Bob Yoesle »

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...


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Re: A useful article

Post by marktownley »

Interesting article, thanks Bob, it's in the library now.


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