| Observer |
|
Name |
Terrie B |
|
Experience Level |
1/5
|
|
Remarks |
I've seen them in my neighborhood before but this was the largest yet. |
| Location |
|
Address |
Portland, OR |
|
Latitude |
45° 35' 47.13'' N (45.596424°)
|
|
Longitude |
122° 43' 49.9'' W (-122.730529°)
|
|
Elevation |
23.092306m |
| Time and Duration |
|
Local Date & Time |
2019-12-16 19:30 PST
|
|
UT Date & Time |
2019-12-17 03:30 UT
|
|
Duration |
≈7.5s
|
| Direction |
|
Moving direction |
From up left to down right |
|
Descent Angle |
124° |
| Moving |
|
Facing azimuth |
21.37° |
|
First azimuth |
9.67° |
|
First elevation |
17° |
|
Last azimuth |
60.73° |
|
Last elevation |
1° |
| Brightness and color |
|
Stellar Magnitude |
-25 |
|
Color |
White |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
No |
|
Remarks |
- |
| Persistent train |
|
Observation |
Yes |
|
Duration |
2s |
|
Length |
20° |
|
Remarks |
The fireball was white with a white fading to orange attached trail that appeared hot because the edges were moving in waves. |
| Terminal flash |
|
Observation |
Unknown |
|
Remarks |
- |
| Fragmentation |
|
Observation |
Unknown |
|
Remarks |
- |
