| Observer |
|
Name |
Anthony A |
|
Experience Level |
1/5
|
|
Remarks |
- |
| Location |
|
Address |
San Francisco, CA |
|
Latitude |
37° 46' 5.66'' N (37.76824°)
|
|
Longitude |
122° 26' 0.39'' W (-122.433442°)
|
|
Elevation |
49.240456m |
| Time and Duration |
|
Local Date & Time |
2018-12-19 17:44 PST
|
|
UT Date & Time |
2018-12-20 01:44 UT
|
|
Duration |
≈1.5s
|
| Direction |
|
Moving direction |
From up right to down left |
|
Descent Angle |
208° |
| Moving |
|
Facing azimuth |
259.82° |
|
First azimuth |
267.86° |
|
First elevation |
25° |
|
Last azimuth |
258.18° |
|
Last elevation |
20° |
| Brightness and color |
|
Stellar Magnitude |
-8 |
|
Color |
Light Yellow |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
No |
|
Remarks |
- |
| Persistent train |
|
Observation |
Yes |
|
Duration |
99.99s |
|
Length |
30° |
|
Remarks |
Smoke trail that became warped with atmospheric winds and persisted for a very long time (measured in tens of minutes) |
| Terminal flash |
|
Observation |
No |
|
Remarks |
- |
| Fragmentation |
|
Observation |
Yes |
|
Remarks |
Pieces flew off in a different direction from the main glowing ball |
