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Re: [APML] New Film Test



At 12:54 28/02/02 -0500, you wrote:
>
>How about just using a H-alpha filter against white light to get a H-alpha 
>source?

This wouldn't yield the single frequency spike of a true Ha emission but I 
believe it would still give a good indication of a film's ability to record 
Ha.  I believe this is a good suggestion.

--Philip

Philip Perkins - philip@astrocruise.com
Wiltshire UK & Luberon France
Astrocruise - http://www.astrocruise.com


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