| Observer |
|
Name |
Ken C |
|
Experience Level |
3/5
|
|
Remarks |
- |
| Location |
|
Address |
Yosemite Valley, CA |
|
Latitude |
37° 47' 57.57'' N (37.799324°)
|
|
Longitude |
119° 51' 58.54'' W (-119.866261°)
|
|
Elevation |
1454.928345m |
| Time and Duration |
|
Local Date & Time |
2025-08-21 20:05 PDT
|
|
UT Date & Time |
2025-08-22 03:05 UT
|
|
Duration |
≈3.5s
|
| Direction |
|
Moving direction |
From up right to down left |
|
Descent Angle |
269° |
| Moving |
|
Facing azimuth |
180.68° |
|
First azimuth |
201.44° |
|
First elevation |
43° |
|
Last azimuth |
163.52° |
|
Last elevation |
39° |
| Brightness and color |
|
Stellar Magnitude |
-18 |
|
Color |
Yellow |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
No |
|
Remarks |
- |
| Persistent train |
|
Observation |
Unknown |
|
Duration |
- |
|
Length |
- |
|
Remarks |
- |
| Terminal flash |
|
Observation |
Yes |
|
Remarks |
The size of the burning object increased, but it wasn't really a flash or explosion. |
| Fragmentation |
|
Observation |
Yes |
|
Remarks |
a small piece seemed to detach from the bottom of the fireball soon before it burned up completely. |