| Observer | |
|---|---|
| Name | Matthew L |
| Experience Level | 3/5 |
| Remarks | Please feel free to contact me for more info. Myself and another, Kirsty, both witnessed the beam and would love to know what it was. I'm sure we can both give you detailed info on what we saw, as that was the greatest yet strange beam we've ever seen. |
| Location | |
|---|---|
| Address | Grasmere, England (GB) |
| Latitude | 54° 26' 15.82'' N (54.437728°) |
| Longitude | 3° 2' 30.17'' W (-3.041715°) |
| Elevation | 79.501312m |
| Time and Duration | |
|---|---|
| Local Date & Time | 2021-05-12 00:50 BST |
| UT Date & Time | 2021-05-11 23:50 UT |
| Duration | ≈3.5s |
| Direction | |
|---|---|
| Moving direction | From left to right |
| Descent Angle | 90° |
| Moving | |
|---|---|
| Facing azimuth | 249.98° |
| First azimuth | 261.51° |
| First elevation | 15° |
| Last azimuth | 266.89° |
| Last elevation | 15° |
| Brightness and color | |
|---|---|
| Stellar Magnitude | -9 |
| Color | Blue, Light Blue, Light Green |
| Concurrent Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Delayed Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Persistent train | |
|---|---|
| Observation | Yes |
| Duration | 2s |
| Length | - |
| Remarks | Thick beam about half an inch in width from ground view, spanning approx 10cms in length before the head disappeared |
| Terminal flash | |
|---|---|
| Observation | Unknown |
| Remarks | - |
| Fragmentation | |
|---|---|
| Observation | Unknown |
| Remarks | - |