| Event |
| Date | 2023-07-21 |
| Asteroid | (409) Aspasia |
| Star | TYC 1782-00252-1 |
| Asteroid magnitude | 13.06m |
| Star magnitude | 10.00m |
| Combined magnitude | 9.94m |
| Expected drop | 3.12m |
| Expected time | 00:10:54 UT ± 0.57 s |
| Expected duration | 6.57 s |
| 1-σ path width error | 0.02 |
| Star RUWE | 1.15 |
| 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 | 00:10:20 UT |
| End observation | 00:11:32 UT |
| Disappearance | 00:10:50.150 UT ± 0.05 s |
| Reappearance | 00:10:56.720 UT ± 0.05 s |
| Duration | 6.57 s |
| Plotcode | include observation |
| Technical data |
| Telescope | Newtonian 25/100 [cm] |
| Camera | DVTI |
| Exposure | 0.1 s |
| Observation method | Analogue & digital video |
| Time source | GPS |
| Signal noise ratio | 22.9 |
| Wind | 0 B |
| Temperature | 13°C |
| Transparency | Clear |
| Seeing | Steady |
| Additional information |
| Comment | |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2023-07-27 09:05:08 |
