It was very large - either super large and far away, or small/medium and very close - and very round. I could not hear sound as I was in a parked car with the radio on.
Location
Address
Norman, OK
Latitude
35° 11' 10.41'' N (35.186226°)
Longitude
97° 27' 3.15'' W (-97.450876°)
Elevation
-
Time and Duration
Local Date & Time
2012-06-05 22:13 CDT
UT Date & Time
2012-06-06 03:13 UT
Duration
≈7.5s
Direction
Moving direction
From up left to down right
Descent Angle
135°
Moving
Facing azimuth
278.2602°
First azimuth
271.43259°
First elevation
34°
Last azimuth
285.42252°
Last elevation
21°
Brightness and color
Stellar Magnitude
1
Color
Blue-green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
4s
Length
5°
Remarks
very hard to see smoke trail since it was dark, but extended for several feet before becoming the same colour as the sky
