Reports Report 5912al (Event 5912-2025)
| Observer | |
|---|---|
| Name | Mark H |
| Experience Level | 5/5 |
| Remarks | I happened to be looking directly at it, and it appeared within a few degrees of Arcturus in the sky, only about 1-2 minutes prior to a pass of the Tiangong space station. I might be off by a couple degrees in direction and a minute in time, but not much more. |
| Location | |
|---|---|
| Address | Wilmette, IL |
| Latitude | 42° 4' 42.97'' N (42.078603°) |
| Longitude | 87° 41' 15.1'' W (-87.687529°) |
| Elevation | 183.290314m |
| Time and Duration | |
|---|---|
| Local Date & Time | 2025-09-16 20:16 CDT |
| UT Date & Time | 2025-09-17 01:16 UT |
| Duration | ≈1.5s |
| Direction | |
|---|---|
| Moving direction | From up right to down left |
| Descent Angle | 216° |
| Moving | |
|---|---|
| Facing azimuth | 270.64° |
| First azimuth | 280° |
| First elevation | 29° |
| Last azimuth | 272° |
| Last elevation | 22° |
| Brightness and color | |
|---|---|
| Stellar Magnitude | -7 |
| Color | Green |
| Concurrent Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Delayed Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Persistent train | |
|---|---|
| Observation | No |
| Duration | - |
| Length | - |
| Remarks | - |
| Terminal flash | |
|---|---|
| Observation | Yes |
| Remarks | More of a very rapid brightening than "flash" or catastrophic disruption. |
| Fragmentation | |
|---|---|
| Observation | No |
| Remarks | - |