Size: my home is near SeaTac airport and I regularly see planes in the landing pattern with landing lights on. This ball was many times larger and brighter than plane lights and all planets.
Location
Address
Burien, WA
Latitude
47° 28' 8.98'' N (47.469161°)
Longitude
122° 22' 5.38'' W (-122.36816°)
Elevation
42.837723m
Time and Duration
Local Date & Time
2023-04-18 21:50 PDT
UT Date & Time
2023-04-19 04:50 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
101°
Moving
Facing azimuth
275°
First azimuth
250°
First elevation
25°
Last azimuth
320°
Last elevation
20°
Brightness and color
Stellar Magnitude
-16
Color
Light Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
12°
Remarks
train was white, glowing for a couple of seconds
Terminal flash
Observation
Unknown
Remarks
-
Fragmentation
Observation
Yes
Remarks
ball was brightest directly west from my location and as it went north it seemed to fragment and quickly go dim and fade out.
