| Observer |
|
Name |
David W |
|
Experience Level |
1/5
|
|
Remarks |
I was appx 3 miles south of the donnelley corner intersection, the flash and explosion was pretty much inline with the south end of the Big Dipper |
| Location |
|
Address |
Donnelly, Alberta (CA) |
|
Latitude |
55° 43' 42.1'' N (55.728361°)
|
|
Longitude |
117° 6' 19.89'' W (-117.105526°)
|
|
Elevation |
595m |
| Time and Duration |
|
Local Date & Time |
2021-02-22 06:20 MST
|
|
UT Date & Time |
2021-02-22 13:20 UT
|
|
Duration |
≈3.5s
|
| Direction |
|
Moving direction |
From up right to down left |
|
Descent Angle |
246° |
| Moving |
|
Facing azimuth |
105.65° |
|
First azimuth |
149.24° |
|
First elevation |
53° |
|
Last azimuth |
106.82° |
|
Last elevation |
35° |
| Brightness and color |
|
Stellar Magnitude |
-6 |
|
Color |
Green |
| Concurrent Sound |
|
Observation |
No |
|
Remarks |
- |
| Delayed Sound |
|
Observation |
No |
|
Remarks |
- |
| Persistent train |
|
Observation |
Yes |
|
Duration |
3s |
|
Length |
10° |
|
Remarks |
Smoky trail |
| Terminal flash |
|
Observation |
Yes |
|
Remarks |
Massive green flash of light followed by faint light that lit up the fragments and smoke trail |
| Fragmentation |
|
Observation |
Yes |
|
Remarks |
After the flash some larger pieces fragmented and continued to glow for a second or 2 |