I am former president of local astronomy club in Ft Worth and we were having our young astronomer meeting that night in the parking lot. Several other experienced members saw this event too.
Location
Address
Fort Worth, TX
Latitude
32° 52' 54.47'' N (32.881797°)
Longitude
97° 15' 47.49'' W (-97.263192°)
Elevation
207.45108m
Time and Duration
Local Date & Time
2013-09-21 21:25 CDT
UT Date & Time
2013-09-22 02:25 UT
Duration
≈3.5s
Direction
Moving direction
From up to down
Descent Angle
180°
Moving
Facing azimuth
258.41°
First azimuth
258.46°
First elevation
45°
Last azimuth
257.56°
Last elevation
10°
Brightness and color
Stellar Magnitude
-18
Color
Green, Orange, Yellow, Red
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Yes
Remarks
Right after it dimmed then flashed there was a muffled boom/thud about a half second after the flash.
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Green brightened with fragmentation then faded slightly then suddenly brightened to a yellow, red then flashed and disappeared
Fragmentation
Observation
Yes
Remarks
Saw fragmentation at the begining of the event as it was first sighted, then it got brighter and fragmentation seemed to stop
