IR and plasma discharges

[Theo Benson <TBenson@xxxxxxxxxxxxx>]

I need the help of the group with an unusual situation: I am going to be
photographing a Tesla coil display. The coil generates electrical arcs over
5 feet in length, and they are quite bright. But they are "cold" discharges
as opposed to lightning, which can reach temperatures into the thousands of
degrees.

My problem is this: since the arcs are bright white/blue, and are physically
cold, will there be enough IR to register on IR film with a #87C filter? Or
am I likely to see only visible light (I mean visible to us -- don't anyone
start that "light has to be visible to be light" thread again!).

Thanks,
Theo

** Visit the North County Photographic Society's Website for some IR images
**
http://www.webcc.net/~ncps/
*
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