| Observer |
|---|
| Name | thomas M |
|---|
| Experience Level | 2/5 |
|---|
| Remarks | 2ème observation de ce phénomène |
|---|
| Location |
|---|
| Address | Fréthun, Hauts-de-France (FR) |
|---|
| Latitude | 50° 54' 53.75'' N (50.91°) |
|---|
| Longitude | 1° 48' 11.01'' E (1.8°) |
|---|
| Elevation | 6.41m |
|---|
| Time and Duration |
|---|
| Local Date & Time | 2018-01-31 23:33 CET |
|---|
| UT Date & Time | 2018-01-31 22:33 UT |
|---|
| Duration | ≈1.5s |
|---|
| Direction |
|---|
| Moving direction | From right to left |
|---|
| Descent Angle | 270° |
|---|
| Moving |
|---|
| Facing azimuth | 234.39° |
|---|
| First azimuth | 229.26° |
|---|
| First elevation | 70° |
|---|
| Last azimuth | 213.24° |
|---|
| Last elevation | 70° |
|---|
| Brightness and color |
|---|
| Stellar Magnitude | -6 |
|---|
| Color | Blanc |
|---|
| Concurrent Sound |
|---|
| Observation | Unknown |
|---|
| Remarks | - |
|---|
| Delayed Sound |
|---|
| Observation | Unknown |
|---|
| Remarks | - |
|---|
| Persistent train |
|---|
| Observation | Yes |
|---|
| Duration | 1s |
|---|
| Length | 10° |
|---|
| Remarks | Petite trainée lumière peu intense |
|---|
| Terminal flash |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
| Fragmentation |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
