| Event |
| Date | 2025-02-28 |
| Asteroid | (556) Phyllis |
| Star | UCAC4 548-038646 |
| Asteroid magnitude | 13.17m |
| Star magnitude | 12.16m |
| Combined magnitude | 11.80m |
| Expected drop | 1.37m |
| Expected time | 19:29:00 UT ± 2.37 s |
| Expected duration | 22.05 s |
| 1-σ path width error | 0.05 |
| Star RUWE | 0.95 |
| Station |
| Observer | Marek Zawilski, Mieczysław Borkowski |
| Latitude | 51 21 40.1 |
| Longitude | 20 02 01.2 |
| Altitude | 214 m |
| Geodetic system | WGS84 |
| Nearest city | Opoczno |
| Result |
| Overal result | Positive |
| Start observation | 19:28:04 UT |
| End observation | 19:29:44 UT |
| Disappearance | 19:28:52.052 UT ± 0.264 s |
| Reappearance | 19:29:10.267 UT ± 0.264 s |
| Duration | 21.9 s |
| Plotcode | include observation |
| Technical data |
| Telescope | SCT 20/203 [cm] |
| Camera | ZWO ASI 120MM |
| Exposure | 0.126 s |
| Observation method | Analogue & digital video |
| Time source | GPS |
| Signal noise ratio | 2.2 |
| Wind | no B |
| Temperature | 5°C |
| Transparency | Clear |
| Seeing | Slight flickering |
| Additional information |
| Comment | Breakdown of mount driving (due to power lack) 5 minutes before D. Hand controlling, the image of worse quality. Recordings of D and R in separate "adv" files possible only. Lighcurves prepared for best fragments of the recording.
|
| Annotations | class: Binary |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2025-03-16 09:55:50 |
