| Event |
| Date | 2025-01-30 |
| Asteroid | (77338) 2001 FS98 |
| Star | UCAC4 468-049595 |
| Asteroid magnitude | 19.33m |
| Star magnitude | 12.16m |
| Combined magnitude | 12.16m |
| Expected drop | 7.17m |
| Expected time | 00:27:51 UT ± 0.22 s |
| Expected duration | 1.04 s |
| 1-σ path width error | 0.12 |
| Star RUWE | 1.05 |
| Station |
| Observer | Leszek Benedyktowicz |
| Latitude | 50 04 08.1 |
| Longitude | 19 47 04.9 |
| Altitude | 238 m |
| Geodetic system | WGS84 |
| Nearest city | Balice |
| Result |
| Overal result | Positive |
| Start observation | 00:27:25 UT |
| End observation | 00:28:18 UT |
| Disappearance | 00:27:51.570 UT ± 0.02 s |
| Reappearance | 00:27:52.140 UT ± 0.02 s |
| Duration | 0.57 s |
| Plotcode | include observation |
| Technical data |
| Telescope | SCT 20/200 [cm] |
| Camera | ASI432mm |
| Exposure | 0.05 s |
| Observation method | Analogue & digital video |
| Time source | GPS |
| Signal noise ratio | 7.4 |
| Wind | 0 B |
| Temperature | -1°C |
| Transparency | Clear |
| Seeing | Steady |
| Additional information |
| Comment | |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2025-02-04 13:38:46 |
