Googled for it the next day but this was all I could find. Pretty much the exact time I saw it - https://www.eveningexpress.co.uk/fp/news/local/flare-that-led-to-multi-agency-search-of-aberdeen-harbour-thought-to-have-been-set-off-from-inland/
Location
Address
Edinburgh, Scotland (GB)
Latitude
55° 55' 43.94'' N (55.928871°)
Longitude
3° 12' 20.79'' W (-3.205776°)
Elevation
83.515282m
Time and Duration
Local Date & Time
2021-02-18 20:45 GMT
UT Date & Time
2021-02-18 20:45 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
253°
Moving
Facing azimuth
255°
First azimuth
280°
First elevation
28°
Last azimuth
240°
Last elevation
25°
Brightness and color
Stellar Magnitude
-16
Color
Orange
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Yes
Remarks
Loud low frequency oscillating sound (sounds weird but kind of like a slow rotational sound)
