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National UFO Reporting Center Sighting Report
Occurred : 10/5/2022 12:55 (Entered as : 10/05/2022 12:55 PM)
Reported: 10/5/2022 1:43:57 PM 13:43
Posted: 10/8/2022
Location: Knoxville, TN
Shape: Circle
Duration: 10 seconds
Characteristics: The object changed color
Black grey sphere in sky

Large black grey sphere. Going from transparent to almost full grey black never moved. But almost seemed it was like waving like a flag. It continues slowly strobbing from transparent to full color till it completely faded away. By the time I though of grabbing my phone it totally disappeared.