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Old 30-11-2010, 11:26 AM
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Geoff45 (Geoff)
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Join Date: Jul 2006
Location: Sydney
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Quote:
Originally Posted by strongmanmike View Post
Yeh I think you are mostly right Doug but my understanding is that many EL panels emmit their light at some narrow emission line wavelengths, the total energy mixes up to a bulish-white to the human eye but if you try to shoot through a narrow band filter like H-alpha with these panels no light will strike your chip. In a nut shell, for broadband imaging most EL panels might work but for narrow band imaging this is not the case.

Just need to get the right type I think?

Mike


Mike
I use an EL panel from elec2go@aol.com and it manages the Ha OK, but needs a longer exposure--15 sec with Ha as opposed to 6 sec with green.
Geoff
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