| Event |
| Date | 2024-12-27 |
| Asteroid | (259) Aletheia |
| Star | UCAC4 396-060013 |
| Asteroid magnitude | 13.54m |
| Star magnitude | 14.89m |
| Combined magnitude | 13.26m |
| Expected drop | 0.28m |
| Expected time | 04:11:40 UT ± 0.23 s |
| Expected duration | 4.57 s |
| 1-σ path width error | 0.01 |
| Star RUWE | 2.05 |
| Station |
| Observer | Marcin Filipek |
| Latitude | 50 12 43.7 |
| Longitude | 19 45 02.7 |
| Altitude | 450 m |
| Geodetic system | WGS84 |
| Nearest city | Jerzmanowice |
| Result |
| Overal result | Negative |
| Start observation | 04:11:30 UT |
| End observation | 04:11:50 UT |
| Technical data |
| Telescope | Newtonian 40/180 [cm] |
| Camera | DVTI |
| Exposure | 0.075 s |
| Observation method | Analogue & digital video |
| Time source | GPS |
| Signal noise ratio | |
| Wind | 0 B |
| Temperature | -3°C |
| Transparency | Clear |
| Seeing | Slight flickering |
| Additional information |
| Comment | |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2025-01-15 06:59:30 |
