| Observer |
|
Name |
Steve K |
|
Experience Level |
2/5
|
|
Remarks |
- |
| Location |
|
Address |
San Francisco, CA |
|
Latitude |
37° 46' 37.41'' N (37.777058°)
|
|
Longitude |
122° 25' 5'' W (-122.418055°)
|
|
Elevation |
16.504m |
| Time and Duration |
|
Local Date & Time |
2017-08-31 06:05 PDT
|
|
UT Date & Time |
2017-08-31 13:05 UT
|
|
Duration |
<1s
|
| Direction |
|
Moving direction |
From down left to up right |
|
Descent Angle |
45° |
| Moving |
|
Facing azimuth |
60° |
|
First azimuth |
50° |
|
First elevation |
72° |
|
Last azimuth |
60° |
|
Last elevation |
65° |
| Brightness and color |
|
Stellar Magnitude |
-9 |
|
Color |
Blue |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
No |
|
Remarks |
- |
| Persistent train |
|
Observation |
Yes |
|
Duration |
0.5s |
|
Length |
1° |
|
Remarks |
looked like contrail from a jet |
| Terminal flash |
|
Observation |
Yes |
|
Remarks |
it was a big bright blue flash |
| Fragmentation |
|
Observation |
Yes |
|
Remarks |
after the flash there were two parallel contrails |
