Re: Fireworks Image

[Dan Cardish <dcardish@xxxxxxxxxxxx>]

At 11:00 PM 07-07-98 -0400, george wrote:

>Sounds pretty far-fetched, but I don't have anything to dispute your
statement. 
>The only thing I can think of is that we need to remember that the
exposure time
>was probably between about 15 and 20 seconds.  Were it a shock wave, I would
>think that it would be diffused (and not noticeable) because of the exposure
>time.  I don't know enough about physics to know about this one way or
another. 
>Perhaps if a shock wave appears at a certain ring of distances from the
source
>this would be correct.  Just thinking out loud.

If it was a 15-20 sec time exposure, then the only explanation I can think
of is some form of internal flare in the camera or lens.

Dan C.
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