| Observer |
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| Name | David W |
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| Experience Level | 1/5 |
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| 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 |
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| Address | Donnelly, Alberta (CA) |
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| Latitude | 55° 43' 42.1'' N (55.73°) |
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| Longitude | 117° 6' 19.89'' W (-117.11°) |
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| Elevation | 595m |
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| Time and Duration |
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| Local Date & Time | 2021-02-22 06:20 MST |
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| UT Date & Time | 2021-02-22 13:20 UT |
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| Duration | ≈3.5s |
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| Direction |
|---|
| Moving direction | From up right to down left |
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| Descent Angle | 246° |
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| Moving |
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| Facing azimuth | 105.65° |
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| First azimuth | 149.24° |
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| First elevation | 53° |
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| Last azimuth | 106.82° |
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| Last elevation | 35° |
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| Brightness and color |
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| Stellar Magnitude | -6 |
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| Color | Green |
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| Concurrent Sound |
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| Observation | No |
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| Remarks | - |
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| Delayed Sound |
|---|
| Observation | No |
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| Remarks | - |
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| Persistent train |
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| Observation | Yes |
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| Duration | 3s |
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| Length | 10° |
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| Remarks | Smoky trail |
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| Terminal flash |
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| Observation | Yes |
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| Remarks | Massive green flash of light followed by faint light that lit up the fragments and smoke trail |
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| Fragmentation |
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| Observation | Yes |
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| Remarks | After the flash some larger pieces fragmented and continued to glow for a second or 2 |
|---|
