Have some low quality security camera footage (had to check it later to confirm the time and to be sure I was not seeing the end of a firework launched from a boat on Lake Washington). Felt very close.
Location
Address
Seattle, WA
Latitude
47° 43' 58.53'' N (47.732925°)
Longitude
122° 17' 12.19'' W (-122.286719°)
Elevation
61.008m
Time and Duration
Local Date & Time
2017-03-16 21:39 PDT
UT Date & Time
2017-03-17 04:39 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
174°
Moving
Facing azimuth
89.12°
First azimuth
90°
First elevation
55°
Last azimuth
92°
Last elevation
17°
Brightness and color
Stellar Magnitude
-18
Color
Green, Orange
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
0.5s
Length
5°
Remarks
Glowing and colorful like fireworks
Terminal flash
Observation
Yes
Remarks
Flash, color change from orange to green
Fragmentation
Observation
Yes
Remarks
Appears to have broken into two or three smaller green trails, then darkness
