| Observer | |
|---|---|
| Name | Brian T |
| Experience Level | 3/5 |
| Remarks | - |
| Location | |
|---|---|
| Address | Graceville, MN |
| Latitude | 45° 52' 10.3'' N (45.869527°) |
| Longitude | 96° 17' 44.9'' W (-96.295806°) |
| Elevation | 308.216797m |
| Time and Duration | |
|---|---|
| Local Date & Time | 2021-05-09 03:04 CDT |
| UT Date & Time | 2021-05-09 08:04 UT |
| Duration | ≈3.5s |
| Direction | |
|---|---|
| Moving direction | From up right to down left |
| Descent Angle | 190° |
| Moving | |
|---|---|
| Facing azimuth | 65.28° |
| First azimuth | 72.92° |
| First elevation | 17° |
| Last azimuth | 61.47° |
| Last elevation | - |
| Brightness and color | |
|---|---|
| Stellar Magnitude | -12 |
| Color | Blue, Light Blue, Green, Light Green, Yellow |
| Concurrent Sound | |
|---|---|
| Observation | Unknown |
| Remarks | - |
| Delayed Sound | |
|---|---|
| Observation | Yes |
| Remarks | Sounded like real distance thunder |
| Persistent train | |
|---|---|
| Observation | Unknown |
| Duration | - |
| Length | - |
| Remarks | - |
| Terminal flash | |
|---|---|
| Observation | Yes |
| Remarks | Was a really bright green flash that lit up the sky |
| Fragmentation | |
|---|---|
| Observation | Unknown |
| Remarks | - |