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National UFO Reporting Center
Sighting Report
Occurred : 2/20/2003 05:00 (Entered as : 02/20/03 05:00)
Reported: 2/20/2003 2:29:40 PM 14:29
Posted: 3/11/2003
Location: San Francisco, CA
Shape: Circle
Duration:5-10 seconds
Big, bright green ball

I saw what I thought was a shooting star that turned into a big bright light green ball (about the size of a full moon.) It moved in an arc from north to south. The object disappeared behind the ridge of twin peaks. I reported the incident to the police. They drove through twin peaks but did not see anything. I was expecting a boom, flash or after shock when the object fell. But I saw and heard nothing after that.

((NUFORC Note: We spoke with this witness at length, and found her to be exceptionally lucid and objective in her description of the event. The object appeared to the witness to arc down, after which it disappeared behind Twin Peaks. It covered an estimated 60 degrees of arc, from the vantage point of the witness, in 5-10 seconds. PD))