There were several other people with me who also saw the same flash
Location
Address
Stuntney, England (GB)
Latitude
52° 22' 57.39'' N (52.382607°)
Longitude
0° 17' 8.75'' W (0.285764°)
Elevation
2.766166m
Time and Duration
Local Date & Time
2022-07-15 21:30 BST
UT Date & Time
2022-07-15 20:30 UT
Duration
<1s
Direction
Moving direction
From up left to down right
Descent Angle
179°
Moving
Facing azimuth
38.05°
First azimuth
41.58°
First elevation
27°
Last azimuth
39.74°
Last elevation
15°
Brightness and color
Stellar Magnitude
-11
Color
Dark Blue, Light Blue, White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
No
Remarks
-
Fragmentation
Observation
Yes
Remarks
The flash appeared to have 2 or more parallel lines close together, and occurred as a first streaked flash and then a second streaked flash (effectively 2 long lines in a row - both visible at the same time due to the duration of the flashes)