If a fist at arms length = 10 degrees, the total horizontal train was about 35 to 45 degrees, one of the longest and brightest I've ever seen.
Location
Address
Marquez, TX
Latitude
31° 9' 44.65'' N (31.162403°)
Longitude
96° 7' 45.12'' W (-96.129201°)
Elevation
142.712m
Time and Duration
Local Date & Time
2017-03-29 21:30 CDT
UT Date & Time
2017-03-30 02:30 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
97°
Moving
Facing azimuth
168°
First azimuth
160°
First elevation
20°
Last azimuth
190°
Last elevation
17°
Brightness and color
Stellar Magnitude
-11
Color
Blue, Dark Green, Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
1.5s
Length
20°
Remarks
Thin white line (like a thin ballpoint line), growing thicker (like a thin to medium felt tip pen), then exploding (like a magic marker/highlighter)
Terminal flash
Observation
Yes
Remarks
The thickening white line grew slightly yellower in tint until the explosion doubled or tripled its width and the color went to bright blue greenish with green predominating. The length of the explosion was about 1/8th to 1/10th of the total train.
