| Observer |
|
Name |
Eric F |
|
Experience Level |
2/5
|
|
Remarks |
- |
| Photo |
|
| Location |
|
Address |
San Francisco, CA |
|
Latitude |
37° 48' 15.37'' N (37.80427°)
|
|
Longitude |
122° 25' 29.92'' W (-122.424978°)
|
|
Elevation |
25.327452m |
| Time and Duration |
|
Local Date & Time |
2018-12-19 17:30 PST
|
|
UT Date & Time |
2018-12-20 01:30 UT
|
|
Duration |
≈1.5s
|
| Direction |
|
Moving direction |
From up right to down left |
|
Descent Angle |
186° |
| Moving |
|
Facing azimuth |
255° |
|
First azimuth |
256° |
|
First elevation |
45° |
|
Last azimuth |
254° |
|
Last elevation |
35° |
| Brightness and color |
|
Stellar Magnitude |
-10 |
|
Color |
White |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
No |
|
Remarks |
- |
| Persistent train |
|
Observation |
Yes |
|
Duration |
99.99s |
|
Length |
20° |
|
Remarks |
Looked like a spiraled contrail lit up bright white/silver |
| Terminal flash |
|
Observation |
Unknown |
|
Remarks |
- |
| Fragmentation |
|
Observation |
No |
|
Remarks |
- |
