| Observer |
|
Name |
Nan F |
|
Experience Level |
3/5
|
|
Remarks |
- |
| Location |
|
Address |
Lakebay, WA |
|
Latitude |
47° 16' 30.69'' N (47.275192°)
|
|
Longitude |
122° 45' 51.03'' W (-122.764174°)
|
|
Elevation |
35.791m |
| Time and Duration |
|
Local Date & Time |
2017-07-29 21:58 PDT
|
|
UT Date & Time |
2017-07-30 04:58 UT
|
|
Duration |
≈3.5s
|
| Direction |
|
Moving direction |
From down right to up left |
|
Descent Angle |
271° |
| Moving |
|
Facing azimuth |
117.59° |
|
First azimuth |
147.28° |
|
First elevation |
23° |
|
Last azimuth |
86.2° |
|
Last elevation |
23° |
| Brightness and color |
|
Stellar Magnitude |
-9 |
|
Color |
Blue, Light Blue |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
No |
|
Remarks |
- |
| Persistent train |
|
Observation |
Yes |
|
Duration |
4s |
|
Length |
50° |
|
Remarks |
Iridescent blue and indistinguishable from the head of the fireball. |
| Terminal flash |
|
Observation |
No |
|
Remarks |
- |
| Fragmentation |
|
Observation |
No |
|
Remarks |
- |
