| Observer |
|
Name |
Ryan B |
|
Experience Level |
2/5
|
|
Remarks |
My 11 year old son witnessed both the boom and fireball |
| Location |
|
Address |
Grundy Center, IA |
|
Latitude |
42° 21' 21.67'' N (42.356019°)
|
|
Longitude |
92° 46' 40.99'' W (-92.778052°)
|
|
Elevation |
305.185608m |
| Time and Duration |
|
Local Date & Time |
2015-09-19 20:50 CDT
|
|
UT Date & Time |
2015-09-20 01:50 UT
|
|
Duration |
≈3.5s
|
| Direction |
|
Moving direction |
From down to up |
|
Descent Angle |
- |
| Moving |
|
Facing azimuth |
- |
|
First azimuth |
- |
|
First elevation |
90° |
|
Last azimuth |
24.85° |
|
Last elevation |
90° |
| Brightness and color |
|
Stellar Magnitude |
-7 |
|
Color |
Orange |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
Yes |
|
Remarks |
Boom louder than fireworks |
| Persistent train |
|
Observation |
Yes |
|
Duration |
2s |
|
Length |
10° |
|
Remarks |
Burning/Glowing orange red |
| Terminal flash |
|
Observation |
No |
|
Remarks |
- |
| Fragmentation |
|
Observation |
No |
|
Remarks |
- |
