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National UFO Reporting Center
Sighting Report
Occurred : 12/9/2017 20:40 (Entered as : 12/09/17 20:40)
Reported: 12/9/2017 8:09:22 PM 20:09
Posted: 12/10/2017
Location: Denver, CO
Shape: Changing
Duration:20+minutes
My family and I first saw a circular formation of strobing red lights. We decided to stop and look and the formation changed. They started to line up and continue to move West or North it looked like.