I work for a large professional fireworks company and we were setting up as it appeared. Full on panic for a couple of seconds as we thought we had serious accident starting!
Location
Address
(GB)
Latitude
56° 2' 51.01'' N (56.047504°)
Longitude
2° 47' 32.49'' W (-2.792357°)
Elevation
18.823999m
Time and Duration
Local Date & Time
2017-12-31 17:30 ?
UT Date & Time
2017-12-31 17:30 UT
Duration
≈7.5s
Direction
Moving direction
From up left to down right
Descent Angle
93°
Moving
Facing azimuth
195.13°
First azimuth
115.35°
First elevation
32°
Last azimuth
246.33°
Last elevation
20°
Brightness and color
Stellar Magnitude
-19
Color
Green, Yellow, White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
1s
Length
30°
Remarks
A thick tail, full of sparks then fading to dense darkness before vanishing
Terminal flash
Observation
Yes
Remarks
It got brighter before vanishing
Fragmentation
Observation
Yes
Remarks
As it crossed the sky, small fragments seemed to break away 2 or 3 times
