Reports Report 4150ab (Event 4150-2021)
| Observer | |
|---|---|
| Name | Night's Spotter R |
| Experience Level | 1/5 |
| Remarks | Having viewed this through a window, the frame for my observation was limited. I approximated as best I could. |
| Location | |
|---|---|
| Address | Danville, CA |
| Latitude | 37° 47' 23.13'' N (37.789757°) |
| Longitude | 121° 58' 36.36'' W (-121.976767°) |
| Elevation | 135.901047m |
| Time and Duration | |
|---|---|
| Local Date & Time | 2021-07-31 00:23 PDT |
| UT Date & Time | 2021-07-31 07:23 UT |
| Duration | ≈1.5s |
| Direction | |
|---|---|
| Moving direction | From up left to down right |
| Descent Angle | 104° |
| Moving | |
|---|---|
| Facing azimuth | 47° |
| First azimuth | 30° |
| First elevation | 39° |
| Last azimuth | 50° |
| Last elevation | 25° |
| Brightness and color | |
|---|---|
| Stellar Magnitude | -11 |
| Color | Light Blue, White |
| Concurrent Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Delayed Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Persistent train | |
|---|---|
| Observation | Yes |
| Duration | 1.5s |
| Length | 20° |
| Remarks | It seemed like it was leaving what WOULD HAVE been a longer-lasting trail, but it's the middle of the night, so as soon as the source of the light itself was gone I can't see if the smoke's around any longer. (Which is why I wrote the length as only a second or two) |
| Terminal flash | |
|---|---|
| Observation | No |
| Remarks | - |
| Fragmentation | |
|---|---|
| Observation | No |
| Remarks | - |