I'd be disappointed if it was a firework, but looked convincingly like a space debris.
Location
Address
Warszawa, Województwo mazowieckie (PL)
Latitude
52° 6' 37.12'' N (52.110312°)
Longitude
21° 1' 5.64'' E (21.018233°)
Elevation
104.782707m
Time and Duration
Local Date & Time
2025-07-05 22:20 CEST
UT Date & Time
2025-07-05 20:20 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
199°
Moving
Facing azimuth
114.99°
First azimuth
119.91°
First elevation
29°
Last azimuth
119.89°
Last elevation
6°
Brightness and color
Stellar Magnitude
-8
Color
Light Blue, Light Yellow, 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
I think it broke off into two pieces, one bigger and one smaller that fell to the right of it - slightly slower. Then both started fading away just before they disappeared behind a treeline.
