| Observer |
|
Name |
Robert B |
|
Experience Level |
1/5
|
|
Remarks |
As noted above, I wonder if I heard a sonic boom about two minutes after the visual event. |
| Location |
|
Address |
Coloma, MI |
|
Latitude |
42° 15' 22.78'' N (42.256329°)
|
|
Longitude |
86° 20' 38.7'' W (-86.344082°)
|
|
Elevation |
205.327896m |
| Time and Duration |
|
Local Date & Time |
2019-05-11 00:45 EDT
|
|
UT Date & Time |
2019-05-11 04:45 UT
|
|
Duration |
≈3.5s
|
| Direction |
|
Moving direction |
From right to left |
|
Descent Angle |
270° |
| Moving |
|
Facing azimuth |
270° |
|
First azimuth |
310° |
|
First elevation |
60° |
|
Last azimuth |
225° |
|
Last elevation |
65° |
| Brightness and color |
|
Stellar Magnitude |
-16 |
|
Color |
Light Blue, Yellow, White |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
Unknown |
|
Remarks |
- |
| Persistent train |
|
Observation |
No |
|
Duration |
- |
|
Length |
- |
|
Remarks |
- |
| Terminal flash |
|
Observation |
No |
|
Remarks |
- |
| Fragmentation |
|
Observation |
Yes |
|
Remarks |
It seemed there was a closely grouped cluster of trajectories. Also, about two minutes after the visual event I wondered if I heard a sonic boom. |
