| Observer | |
|---|---|
| Name | Bonnie D |
| Experience Level | 2/5 |
| Remarks | This was like no shooting star or comet I’ve ever seen. It was large, bright white and "curly" it hung in the sky, I shot photograohs of it for about 5 minutes as the curly contrail grew blurry, |
| Location | |
|---|---|
| Address | Saint Helena, CA |
| Latitude | 38° 30' 24.09'' N (38.506693°) |
| Longitude | 122° 27' 40.99'' W (-122.461386°) |
| Elevation | 68.530289m |
| Time and Duration | |
|---|---|
| Local Date & Time | 2018-12-19 17:36 PST |
| UT Date & Time | 2018-12-20 01:36 UT |
| Duration | ≈7.5s |
| Direction | |
|---|---|
| Moving direction | From up right to down left |
| Descent Angle | 218° |
| Moving | |
|---|---|
| Facing azimuth | 230.99° |
| First azimuth | 237.4° |
| First elevation | 55° |
| Last azimuth | 231.02° |
| Last elevation | 51° |
| Brightness and color | |
|---|---|
| Stellar Magnitude | -22 |
| Color | White |
| Concurrent Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Delayed Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Persistent train | |
|---|---|
| Observation | Yes |
| Duration | - |
| Length | - |
| Remarks | The trail became blurry and curlicue, looping at the top, a]with the ball in the middle, I shot ouctures for about 5 minutes. |
| Terminal flash | |
|---|---|
| Observation | Unknown |
| Remarks | - |
| Fragmentation | |
|---|---|
| Observation | Unknown |
| Remarks | - |