| Observer |
|
Name |
Geoffrey C |
|
Experience Level |
2/5
|
|
Remarks |
Astrophotography is a hobby of mine so I've seen lots of meteors and iridium flares but this one was the biggest and brightest event I've ever seen. |
| Location |
|
Address |
Issaquah, WA |
|
Latitude |
47° 27' 48.73'' N (47.463536°)
|
|
Longitude |
121° 59' 41.51'' W (-121.994865°)
|
|
Elevation |
251.267m |
| Time and Duration |
|
Local Date & Time |
2017-07-29 22:00 PDT
|
|
UT Date & Time |
2017-07-30 05:00 UT
|
|
Duration |
≈3.5s
|
| Direction |
|
Moving direction |
From right to left |
|
Descent Angle |
270° |
| Moving |
|
Facing azimuth |
90° |
|
First azimuth |
90° |
|
First elevation |
90° |
|
Last azimuth |
20° |
|
Last elevation |
45° |
| Brightness and color |
|
Stellar Magnitude |
-19 |
|
Color |
Green |
| Concurrent Sound |
|
Observation |
Unknown |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
Yes |
|
Remarks |
Deep sounding thud-like boom |
| Persistent train |
|
Observation |
Unknown |
|
Duration |
- |
|
Length |
- |
|
Remarks |
- |
| Terminal flash |
|
Observation |
No |
|
Remarks |
- |
| Fragmentation |
|
Observation |
Yes |
|
Remarks |
Orange sparks |
