| Observer |
|---|
| Name | Sheri H |
|---|
| Experience Level | 1/5 |
|---|
| Remarks | I’ve never seen anything like that before. |
|---|
| Location |
|---|
| Address | Argyle, TX |
|---|
| Latitude | 33° 6' 1.7'' N (33.1°) |
|---|
| Longitude | 97° 6' 19.76'' W (-97.11°) |
|---|
| Elevation | 180.46m |
|---|
| Time and Duration |
|---|
| Local Date & Time | 2021-10-19 20:10 CDT |
|---|
| UT Date & Time | 2021-10-20 01:10 UT |
|---|
| Duration | ≈1.5s |
|---|
| Direction |
|---|
| Moving direction | From up left to down right |
|---|
| Descent Angle | 174° |
|---|
| Moving |
|---|
| Facing azimuth | - |
|---|
| First azimuth | 50° |
|---|
| First elevation | - |
|---|
| Last azimuth | 50° |
|---|
| Last elevation | 45° |
|---|
| Brightness and color |
|---|
| Stellar Magnitude | -16 |
|---|
| Color | Blue, then yellow wide streak |
|---|
| Concurrent Sound |
|---|
| Observation | Unknown |
|---|
| Remarks | - |
|---|
| Delayed Sound |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
| Persistent train |
|---|
| Observation | Yes |
|---|
| Duration | 2s |
|---|
| Length | 10° |
|---|
| Remarks | Bright dark yellow train that was wide at top and got smaller, but not dimmer |
|---|
| Terminal flash |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
| Fragmentation |
|---|
| Observation | Unknown |
|---|
| Remarks | - |
|---|
