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On 1/13/2013 8:34 PM, Aburr@aol.com wrote:
This might be an Poisson bright spot (as seen by Arago) formed byThough I too favor the diffracted bright spot explanation,
diffaction by the sum and the airplane. See the URL
_http://www.britannica.com/EBchecked/topic/1321290/Poissons-spot_
(http://www.britannica.com/EBchecked/topic/1321290/Poissons-spot)
Alex. F. Burr
In a message dated 1/13/2013 6:52:43 P.M. Mountain Standard Time,
betwys1@sbcglobal.net writes:
I noticed a bright spot
at 2 o'clock__
it is usually described as a bright spot
in a dark shadow. As described in the Enc Brit paragraph mentioned
above, it is only
NEARLY as bright as the surrounding illuminated scene: what
I saw was BRIGHTER than
the surround, with no dark shadow evident.