Really big. Bright whitish green. From south south east to north north east. From 60 to 30 degrees elevation. Burned out almost due north of viewing position.
Location
Address
Renton, WA
Latitude
47° 29' 25.9'' N (47.490529°)
Longitude
122° 11' 26.73'' W (-122.190757°)
Elevation
35.826m
Time and Duration
Local Date & Time
2017-07-29 21:51 PDT
UT Date & Time
2017-07-30 04:51 UT
Duration
≈7.5s
Direction
Moving direction
From up right to down left
Descent Angle
255°
Moving
Facing azimuth
32.91°
First azimuth
70.69°
First elevation
60°
Last azimuth
3.49°
Last elevation
28°
Brightness and color
Stellar Magnitude
-13
Color
Dark Green, Green, Light Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Turned from bright green to a flash of white orange and disappeared