| Observer |
|
Name |
John S |
|
Experience Level |
4/5
|
|
Remarks |
The initial flash was startlingly bright. The duration was long enough for me to alert my friend to look up. |
| Location |
|
Address |
Monroe, WA |
|
Latitude |
47° 47' 42.63'' N (47.795175°)
|
|
Longitude |
121° 58' 46.22'' W (-121.979506°)
|
|
Elevation |
13.472m |
| Time and Duration |
|
Local Date & Time |
2017-07-29 21:54 PDT
|
|
UT Date & Time |
2017-07-30 04:54 UT
|
|
Duration |
≈3.5s
|
| Direction |
|
Moving direction |
From up right to down left |
|
Descent Angle |
267° |
| Moving |
|
Facing azimuth |
1.68° |
|
First azimuth |
108.81° |
|
First elevation |
65° |
|
Last azimuth |
345.63° |
|
Last elevation |
55° |
| Brightness and color |
|
Stellar Magnitude |
-8 |
|
Color |
Blue, Red, White |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
No |
|
Remarks |
- |
| Persistent train |
|
Observation |
Yes |
|
Duration |
- |
|
Length |
- |
|
Remarks |
- |
| Terminal flash |
|
Observation |
Yes |
|
Remarks |
Initially we saw a bright flash reflected on the ground, then looked up. |
| Fragmentation |
|
Observation |
Yes |
|
Remarks |
some small bits breaking off the main path, along with some color changes. |
