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National UFO Reporting Center
Sighting Report
Occurred : 4/19/2005 17:45 (Entered as : 04/19/1905 17:45)
Reported: 4/19/2005 9:29:56 PM 21:29
Posted: 5/11/2005
Location: San Francisco, CA
Shape: Other
Duration:15 minutes
Bizarre high altitude, rapidly moving, thin disk-shaped cloud or contrail, surrounded by waves of thermal energy.

At around 7:45 PST we were standing on my back porch looking at the splendid sunset and I noticed a very short contrail-like object in the sky to the west. The object appeared to be moving at a very high altitude. You couldn't make out any physical detail, but it was clearly not moving or behaving like an aircraft at high altitude.

I grabbed a 10x42 pair of Nikon binoculars and we placed them on one of the staircase posts on my back porch. We could get a pefectly still view of what appeared to be a bizarre disk-shaped cloud moving obviously at a great rate of speed and height.

But the truly bizarre aspect of this oject was the waves a thermal energy surrounding the thin, disk shaped moving contrail. Both my roomate and his lady friend also viewed the object through the binoculars, and both were mystified, if not blown away at what they saw. My roomate is an experienced pilot, who at one time was going to get a commercial airline pilot's license. He stated that he had never seen anything like what he witnessed tonight. He will contact you shortly to give his version.