| Observer | |
|---|---|
| Name | Kevin D |
| Experience Level | 4/5 |
| Remarks | I was out stargazing, just naked eye. The sky was cloudless, cold night with little to no wind, excellent visibility. Orion was like a planetarium constellation. The green color was strong, and pure, like an LED traversing the sky. |
| Location | |
|---|---|
| Address | Downingtown, PA |
| Latitude | 40° 0' 9.55'' N (40.002653°) |
| Longitude | 75° 39' 16.9'' W (-75.654695°) |
| Elevation | 151.603m |
| Time and Duration | |
|---|---|
| Local Date & Time | 2017-02-17 23:52 EST |
| UT Date & Time | 2017-02-18 04:52 UT |
| Duration | ≈3.5s |
| Direction | |
|---|---|
| Moving direction | From up left to down right |
| Descent Angle | 120° |
| Moving | |
|---|---|
| Facing azimuth | 302.83° |
| First azimuth | 293.12° |
| First elevation | 30° |
| Last azimuth | 342.1° |
| Last elevation | 21° |
| Brightness and color | |
|---|---|
| Stellar Magnitude | -6 |
| Color | Green |
| Concurrent Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Delayed Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Persistent train | |
|---|---|
| Observation | No |
| Duration | - |
| Length | - |
| Remarks | - |
| Terminal flash | |
|---|---|
| Observation | Yes |
| Remarks | There was no observed fragmentation. The magnitude of brightness increased noticeably near the end of the fireball's trajectory. |
| Fragmentation | |
|---|---|
| Observation | No |
| Remarks | - |