Reports Report 6300b (Event 6300-2019)

Observer
Name Stephen E
Experience Level 1/5
Remarks Please email me if you figure out what it is. My girlfriend and I both said it while driving home.
Location
Address Fredericksburg, TX
Latitude 30° 21' 18.2'' N (30.355055°)
Longitude 98° 55' 23.24'' W (-98.923123°)
Elevation 627.537231m
Time and Duration
Local Date & Time 2019-12-06 22:19 CST
UT Date & Time 2019-12-07 04:19 UT
Duration ≈3.5s
Direction
Moving direction From up right to down left
Descent Angle 191°
Moving
Facing azimuth 300.1°
First azimuth 302.11°
First elevation 65°
Last azimuth 288.56°
Last elevation 40°
Brightness and color
Stellar Magnitude -16
Color White
Concurrent Sound
Observation No
Remarks -
Delayed Sound
Observation No
Remarks -
Persistent train
Observation No
Duration -
Length -
Remarks -
Terminal flash
Observation Yes
Remarks Turned from a long white, fast stream to a giant white circular light.
Fragmentation
Observation No
Remarks -