| Observer |
|
Name |
David B |
|
Experience Level |
3/5
|
|
Remarks |
Object was clearly south of my location, moving in Westerly direction. Based on sound arrival delay, object estimated to be ~60-70 miles away. |
| Location |
|
Address |
Commerce Charter Township, MI |
|
Latitude |
42° 35' 53.56'' N (42.59821°)
|
|
Longitude |
83° 32' 53.46'' W (-83.548182°)
|
|
Elevation |
285.133423m |
| Time and Duration |
|
Local Date & Time |
2018-01-16 20:15 EST
|
|
UT Date & Time |
2018-01-17 01:15 UT
|
|
Duration |
≈3.5s
|
| Direction |
|
Moving direction |
From up left to down right |
|
Descent Angle |
102° |
| Moving |
|
Facing azimuth |
215° |
|
First azimuth |
170° |
|
First elevation |
35° |
|
Last azimuth |
215° |
|
Last elevation |
35° |
| Brightness and color |
|
Stellar Magnitude |
-20 |
|
Color |
Light Yellow |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
Yes |
|
Remarks |
Long rolling thunder/sonic boom, duration of at least 15 seconds, arrival time approximately 5 minutes after the light |
| Persistent train |
|
Observation |
No |
|
Duration |
- |
|
Length |
- |
|
Remarks |
- |
| Terminal flash |
|
Observation |
No |
|
Remarks |
- |
| Fragmentation |
|
Observation |
Unknown |
|
Remarks |
- |
