Reports Report 4150ak (Event 4150-2021)
| Observer | |
|---|---|
| Name | Sonia M |
| Experience Level | 1/5 |
| Remarks | As I was in the backyard with mr husband, we saw a bright big white flash, with slightly yellow/red hues, from afar coming down at an angle from the sky leaving a train behind and the big flash shattered into pieces. Everything still going the same direction. Everything lasted about 2 seconds or so. |
| Location | |
|---|---|
| Address | San Jose, CA |
| Latitude | 37° 19' 48.43'' N (37.33012°) |
| Longitude | 121° 52' 13.5'' W (-121.870417°) |
| Elevation | 29.833994m |
| Time and Duration | |
|---|---|
| Local Date & Time | 2021-07-31 00:20 PDT |
| UT Date & Time | 2021-07-31 07:20 UT |
| Duration | ≈1.5s |
| Direction | |
|---|---|
| Moving direction | From up left to down right |
| Descent Angle | 100° |
| Moving | |
|---|---|
| Facing azimuth | - |
| First azimuth | 37.43° |
| First elevation | 66° |
| Last azimuth | 127.34° |
| Last elevation | 19° |
| Brightness and color | |
|---|---|
| Stellar Magnitude | -13 |
| Color | Orange, Red, White |
| Concurrent Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Delayed Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Persistent train | |
|---|---|
| Observation | Yes |
| Duration | 2s |
| Length | 99.99° |
| Remarks | As the flash was moving, it left a long train behind that lasted about about one or two seconds. |
| Terminal flash | |
|---|---|
| Observation | No |
| Remarks | - |
| Fragmentation | |
|---|---|
| Observation | Yes |
| Remarks | As the flash was coming down, it split into pieces. |