| Observer |
|---|
| Name | Walter C |
|---|
| Experience Level | 1/5 |
|---|
| Remarks | Was driving north down Harlem when I saw it from my left side |
|---|
| Location |
|---|
| Address | Berwyn, IL |
|---|
| Latitude | 41° 49' 30.24'' N (41.83°) |
|---|
| Longitude | 87° 48' 9.63'' W (-87.8°) |
|---|
| Elevation | 185.43m |
|---|
| Time and Duration |
|---|
| Local Date & Time | 2021-03-11 18:42 CST |
|---|
| UT Date & Time | 2021-03-12 00:42 UT |
|---|
| Duration | ≈1.5s |
|---|
| Direction |
|---|
| Moving direction | From up left to down right |
|---|
| Descent Angle | 119° |
|---|
| Moving |
|---|
| Facing azimuth | 320° |
|---|
| First azimuth | 1° |
|---|
| First elevation | 50° |
|---|
| Last azimuth | 340° |
|---|
| Last elevation | 20° |
|---|
| Brightness and color |
|---|
| Stellar Magnitude | -7 |
|---|
| Color | Dark Green, Green |
|---|
| Concurrent Sound |
|---|
| Observation | Unknown |
|---|
| Remarks | - |
|---|
| Delayed Sound |
|---|
| Observation | Unknown |
|---|
| Remarks | - |
|---|
| Persistent train |
|---|
| Observation | No |
|---|
| Duration | - |
|---|
| Length | - |
|---|
| Remarks | - |
|---|
| Terminal flash |
|---|
| Observation | Yes |
|---|
| Remarks | Green flash |
|---|
| Fragmentation |
|---|
| Observation | Unknown |
|---|
| Remarks | - |
|---|
