Reports Report 915a (Event 915-2020)
| Observer | |
|---|---|
| Name | Jane H |
| Experience Level | 4/5 |
| Remarks | Finest, most colorful and watchable fireball observation to date due to my location, and the fireball direction of travel across the middle horizon through clear sky area (we live in piney woods). |
| Location | |
|---|---|
| Address | Grass Valley, CA |
| Latitude | 39° 8' 32.63'' N (39.142398°) |
| Longitude | 121° 2' 2.72'' W (-121.034088°) |
| Elevation | 679.867432m |
| Time and Duration | |
|---|---|
| Local Date & Time | 2020-02-20 23:28 PST |
| UT Date & Time | 2020-02-21 07:28 UT |
| Duration | ≈7.5s |
| Direction | |
|---|---|
| Moving direction | From right to left |
| Descent Angle | 270° |
| Moving | |
|---|---|
| Facing azimuth | 239.89° |
| First azimuth | 298.48° |
| First elevation | 44° |
| Last azimuth | 174.56° |
| Last elevation | 44° |
| Brightness and color | |
|---|---|
| Stellar Magnitude | -13 |
| Color | Blue, Green, Orange, Yellow, Red, White |
| Concurrent Sound | |
|---|---|
| Observation | Unknown |
| Remarks | - |
| Delayed Sound | |
|---|---|
| Observation | Yes |
| Remarks | 5 booms approximately 1 minute after breaking into 5 pieces |
| Persistent train | |
|---|---|
| Observation | Yes |
| Duration | 6s |
| Length | 60° |
| Remarks | Glowing train was long, persistent and sparkling every color of the rainbow. |
| Terminal flash | |
|---|---|
| Observation | Yes |
| Remarks | Saw a bright terminal flash as the fireball broke into 5 pieces |
| Fragmentation | |
|---|---|
| Observation | Yes |
| Remarks | Yes the 5 smaller fragments continues in the same general direction but were easy to see individual pieces. One piece was slightly larger than the other 4 pieces. |