| Event |
| Date | 2025-02-20 |
| Asteroid | (305940) 2009 HT |
| Star | UCAC4 675-052262 |
| Asteroid magnitude | 21.33m |
| Star magnitude | 12.38m |
| Combined magnitude | 12.38m |
| Expected drop | 8.95m |
| Expected time | 22:33:10 UT ± 6.57 s |
| Expected duration | 0.46 s |
| 1-σ path width error | 11.18 |
| Star RUWE | 1.10 |
| Station |
| Observer | Daniel Antuszewicz |
| Latitude | 052 22 57.3 |
| Longitude | 020 54 09.0 |
| Altitude | 81 m |
| Geodetic system | WGS84 |
| Nearest city | Legionowo |
| Result |
| Overal result | Negative |
| Start observation | 22:32:11 UT |
| End observation | 22:34:11 UT |
| Technical data |
| Telescope | Dobsonian 20/120 [cm] |
| Camera | ZWO ASI715MC |
| Exposure | 0.10 s |
| Observation method | Analogue & digital video |
| Time source | NTP |
| Signal noise ratio | |
| Wind | 0 B |
| Temperature | -6°C |
| Transparency | Clear |
| Seeing | Slight flickering |
| Additional information |
| Comment | |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2025-02-28 09:38:15 |
