| Event |
| Date | 2024-08-28 |
| Asteroid | (458) Hercynia |
| Star | UCAC4 359-203511 |
| Asteroid magnitude | 13.62m |
| Star magnitude | 11.31m |
| Combined magnitude | 11.19m |
| Expected drop | 2.43m |
| Expected time | 21:12:08 UT ± 0.29 s |
| Expected duration | 3.28 s |
| 1-σ path width error | 0.05 |
| Star RUWE | 0.80 |
| Station |
| Observer | Anna Marciniak |
| Latitude | 052 16 36.8 |
| Longitude | 017 04 30.8 |
| Altitude | 83 m |
| Geodetic system | WGS84 |
| Nearest city | Poznan |
| Result |
| Overal result | Positive |
| Start observation | 21:11:06 UT |
| End observation | 21:13:11 UT |
| Disappearance | 21:12:06.340 UT ± 0.11 s |
| Reappearance | 21:12:08.860 UT ± 0.10 s |
| Duration | 2.52 s |
| Plotcode | include observation |
| Technical data |
| Telescope | Newtonian 40/180 [cm] |
| Camera | Andor Zyla 5.5 camera with sCMOS sensor |
| Exposure | 0.2 s |
| Observation method | Sequential images |
| Time source | NTP |
| Signal noise ratio | 8.7 |
| Wind | 1 B |
| Temperature | 23°C |
| Transparency | Thin cloud < 2 [mag loss <2 mag.] |
| Seeing | Slight flickering |
| Additional information |
| Comment | NTP accuracy 10 ms.
|
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2024-08-30 13:58:09 |
