Reports Report 6635ai (Event 6635-2025)

Observer
Name Kevin D
Experience Level 4/5
Remarks The fireball was high in the sky, and I was on the phone looking down the street (roughly east) so the time of its visibly might’ve been longer, even much longer, meaning I might’ve caught the end of the event.
Location
Address West Chester, PA
Latitude 39° 57' 35.41'' N (39.959837°)
Longitude 75° 36' 6.9'' W (-75.601918°)
Elevation 130.717941m
Time and Duration
Local Date & Time 2025-10-09 20:06 EDT
UT Date & Time 2025-10-10 00:06 UT
Duration ≈3.5s
Direction
Moving direction From up right to down left
Descent Angle 189°
Moving
Facing azimuth 56.11°
First azimuth 55.3°
First elevation 75°
Last azimuth 43.08°
Last elevation 30°
Brightness and color
Stellar Magnitude -7
Color Orange, Yellow, Light Yellow, White
Concurrent Sound
Observation Unknown
Remarks -
Delayed Sound
Observation Unknown
Remarks -
Persistent train
Observation No
Duration -
Length -
Remarks -
Terminal flash
Observation Yes
Remarks The fireball was pretty much a circle with white center, and yellow and orange at the edges. As it approached the horizon, the circle grew in size, turned all white and then disappeared instantly. I saw no fragmentation or vapor trail.
Fragmentation
Observation Unknown
Remarks -