| Event |
| Date | 2024-12-26 |
| Asteroid | (11574) d'Alviella |
| Star | UCAC4 502-024696 |
| Asteroid magnitude | 17.68m |
| Star magnitude | 13.83m |
| Combined magnitude | 13.80m |
| Expected drop | 3.88m |
| Expected time | 21:42:21 UT ± 0.31 s |
| Expected duration | 0.57 s |
| 1-σ path width error | 0.38 |
| Star RUWE | 1.70 |
| Station |
| Observer | Marcin Filipek |
| Latitude | 50 12 43.8 |
| Longitude | 19 45 02.8 |
| Altitude | 450 m |
| Geodetic system | WGS84 |
| Nearest city | Jerzmanowice |
| Result |
| Overal result | Positive |
| Start observation | 21:42:13 UT |
| End observation | 21:42:29 UT |
| Disappearance | 21:42:22.16 UT ± 0.03 s |
| Reappearance | 21:42:22.73 UT ± 0.03 s |
| Duration | 0.57 s |
| Plotcode | include observation |
| Technical data |
| Telescope | Newtonian 40/180 [cm] |
| Camera | DVTI |
| Exposure | 0.05 s |
| Observation method | Analogue & digital video |
| Time source | GPS |
| Signal noise ratio | 6.5 |
| Wind | 0 B |
| Temperature | -2°C |
| Transparency | Clear |
| Seeing | Steady |
| Additional information |
| Comment | |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2025-01-15 09:32:16 |
