| Observer |
|
Name |
John M |
|
Experience Level |
1/5
|
|
Remarks |
Two Delayed Sonic Booms |
| Location |
|
Address |
Grand Junction, CO |
|
Latitude |
39° 3' 49.94'' N (39.063871°)
|
|
Longitude |
108° 33' 2.34'' W (-108.550649°)
|
|
Elevation |
- |
| Time and Duration |
|
Local Date & Time |
2007-04-20 23:15 MDT (
|
|
UT Date & Time |
2007-04-21 05:15 UT
|
|
Duration |
≈3.5s
|
| Direction |
|
Moving direction |
- |
|
Descent Angle |
- |
| Moving |
|
Facing azimuth |
-1° |
|
First azimuth |
-1° |
|
First elevation |
90° |
|
Last azimuth |
-1° |
|
Last elevation |
-1° |
| Brightness and color |
|
Stellar Magnitude |
-7 |
|
Color |
Blue/Green |
| Concurrent Sound |
|
Observation |
Yes |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
Yes |
|
Remarks |
- |
| Persistent train |
|
Observation |
Yes |
|
Duration |
-1s |
|
Length |
-1° |
|
Remarks |
- |
| Terminal flash |
|
Observation |
Yes |
|
Remarks |
- |
| Fragmentation |
|
Observation |
Unknown |
|
Remarks |
- |
