| Observer |
|
Name |
Tanner L |
|
Experience Level |
2/5
|
|
Remarks |
- |
| Location |
|
Address |
Fort Collins, CO |
|
Latitude |
40° 32' 43.85'' N (40.545513°)
|
|
Longitude |
105° 5' 30.96'' W (-105.091933°)
|
|
Elevation |
1543.22m |
| Time and Duration |
|
Local Date & Time |
2017-12-20 02:45 MST
|
|
UT Date & Time |
2017-12-20 09:45 UT
|
|
Duration |
≈7.5s
|
| Direction |
|
Moving direction |
From up right to down left |
|
Descent Angle |
246° |
| Moving |
|
Facing azimuth |
325.3° |
|
First azimuth |
- |
|
First elevation |
45° |
|
Last azimuth |
319.57° |
|
Last elevation |
45° |
| Brightness and color |
|
Stellar Magnitude |
-5 |
|
Color |
Dark Purple, Orange |
| Concurrent Sound |
|
Observation |
Yes |
|
Remarks |
It was 3-4 repeated booms that were very loud and shook the house |
| Delayed Sound |
|
Observation |
Yes |
|
Remarks |
There were small individual sounds after each big boom |
| Persistent train |
|
Observation |
Unknown |
|
Duration |
- |
|
Length |
- |
|
Remarks |
- |
| Terminal flash |
|
Observation |
Unknown |
|
Remarks |
- |
| Fragmentation |
|
Observation |
No |
|
Remarks |
- |
