I am an aviation enthusiast who regularly observes high flying aircraft. I additionally checked a reliable aircraft tracking site to confirm that no aircraft was nearby
Location
Address
Haverfordwest, Wales (GB)
Latitude
51° 48' 19.27'' N (51.805354°)
Longitude
4° 56' 33.9'' W (-4.942749°)
Elevation
49.570736m
Time and Duration
Local Date & Time
2021-09-19 19:49 BST
UT Date & Time
2021-09-19 18:49 UT
Duration
≈1.5s
Direction
Moving direction
From up left to down right
Descent Angle
151°
Moving
Facing azimuth
321.65°
First azimuth
322.48°
First elevation
53°
Last azimuth
322.02°
Last elevation
59°
Brightness and color
Stellar Magnitude
-15
Color
White
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Unknown
Remarks
-
Persistent train
Observation
Yes
Duration
40s
Length
10°
Remarks
Short jet like contrail. Gradually faded over about a minute
Terminal flash
Observation
Yes
Remarks
Very bright white flash about 1-2 seconds duration in the twilight afterglow.
