| Observer | |
|---|---|
| Name | jim l |
| Experience Level | 1/5 |
| Remarks | - |
| Location | |
|---|---|
| Address | South Barrington, IL |
| Latitude | 42° 4' 22.21'' N (42.072836°) |
| Longitude | 88° 10' 33.2'' W (-88.175889°) |
| Elevation | 259.403m |
| Time and Duration | |
|---|---|
| Local Date & Time | 2017-12-18 23:50 CST |
| UT Date & Time | 2017-12-19 05:50 UT |
| Duration | <1s |
| Direction | |
|---|---|
| Moving direction | From up right to down left |
| Descent Angle | 211° |
| Moving | |
|---|---|
| Facing azimuth | 40.55° |
| First azimuth | 38.56° |
| First elevation | 49° |
| Last azimuth | 36.58° |
| Last elevation | 48° |
| Brightness and color | |
|---|---|
| Stellar Magnitude | -17 |
| Color | White |
| Concurrent Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Delayed Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Persistent train | |
|---|---|
| Observation | Unknown |
| Duration | - |
| Length | - |
| Remarks | - |
| Terminal flash | |
|---|---|
| Observation | Yes |
| Remarks | The flash is unique, with a short white trail going toward the earth, emit quick white light, not a fireball shape but looks like a cylinder shape of flashing light, then disappear. |
| Fragmentation | |
|---|---|
| Observation | Unknown |
| Remarks | - |