| Observer |
|---|
| Name | Matthew H |
|---|
| Experience Level | 2/5 |
|---|
| Remarks | - |
|---|
| Location |
|---|
| Address | Fairfax, VA |
|---|
| Latitude | 38° 51' 54.14'' N (38.87°) |
|---|
| Longitude | 77° 21' 19.97'' W (-77.36°) |
|---|
| Elevation | 124.02m |
|---|
| Time and Duration |
|---|
| Local Date & Time | 2018-12-10 16:57 EST |
|---|
| UT Date & Time | 2018-12-10 21:57 UT |
|---|
| Duration | ≈7.5s |
|---|
| Direction |
|---|
| Moving direction | From up left to down right |
|---|
| Descent Angle | 106° |
|---|
| Moving |
|---|
| Facing azimuth | 107.26° |
|---|
| First azimuth | 127.9° |
|---|
| First elevation | 39° |
|---|
| Last azimuth | 90.75° |
|---|
| Last elevation | 28° |
|---|
| Brightness and color |
|---|
| Stellar Magnitude | -5 |
|---|
| Color | Light Blue |
|---|
| Concurrent Sound |
|---|
| Observation | Unknown |
|---|
| Remarks | - |
|---|
| Delayed Sound |
|---|
| Observation | Unknown |
|---|
| Remarks | - |
|---|
| Persistent train |
|---|
| Observation | Yes |
|---|
| Duration | 2s |
|---|
| Length | 10° |
|---|
| Remarks | Smoke tail that followed the ball downward |
|---|
| Terminal flash |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
| Fragmentation |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
