| Observer |
|---|
| Name | Bob P |
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| Experience Level | 3/5 |
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| Remarks | Overcast skies but a flash of blue green light came through the clouds |
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| Location |
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| Address | Crystal Lake, IL |
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| Latitude | 42° 16' 0.11'' N (42.27°) |
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| Longitude | 88° 13' 42.01'' W (-88.23°) |
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| Elevation | 227.41m |
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| Time and Duration |
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| Local Date & Time | 2021-02-21 04:28 CST |
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| UT Date & Time | 2021-02-21 10:28 UT |
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| Duration | ≈1.5s |
|---|
| Direction |
|---|
| Moving direction | From down to up |
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| Descent Angle | - |
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| Moving |
|---|
| Facing azimuth | 358.28° |
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| First azimuth | 356.43° |
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| First elevation | 47° |
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| Last azimuth | 358.61° |
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| Last elevation | 48° |
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| Brightness and color |
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| Stellar Magnitude | -11 |
|---|
| Color | Light Blue, Green, Yellow |
|---|
| Concurrent Sound |
|---|
| Observation | No |
|---|
| Remarks | - |
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| Delayed Sound |
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| Observation | No |
|---|
| Remarks | - |
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| Persistent train |
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| Observation | No |
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| Duration | - |
|---|
| Length | - |
|---|
| Remarks | - |
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| Terminal flash |
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| Observation | Yes |
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| Remarks | It is a circular flash of blue green light |
|---|
| Fragmentation |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
