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National UFO Reporting Center
Sighting Report
Occurred : 5/28/2003 23:00 (Entered as : 05/28/03 23:00)
Reported: 6/2/2003 10:43:41 PM 22:43
Posted: 6/3/2003
Location: Boise, ID
Shape: Triangle
Duration:10 seconds
A rapidly moving "shimmering shadow" with orange leading edges

I observed a rapidly moving craft, with a triangular leading edge (in the direction of motion). The trailing edges were more difficult to see, because while the leading edge glowed a dim orange color, the trailing body "shimmered" as if shedding a large quantity of heat, sort of like a mirage. A good description of the overall effect is "shimmering shadow" that moved across the sky. It traveled in a straight line, with it's leading edge spanning about 1 degree of arc (as estimated by comparison with a thumb's width at arm's length, and traveled about 75 to 90 degrees of arc in about 8 to 10 seconds. I have observed many satellites and meteors in this same location and this looked nothing like anything I have ever seen before. It was not just a point of light - it had physical extent and no navigation lights. I noticed no sound associated with the craft.