| Event |
| Date | 2025-01-27 |
| Asteroid | (17698) Racheldavis |
| Star | UCAC4 444-055227 |
| Asteroid magnitude | 18.98m |
| Star magnitude | 12.76m |
| Combined magnitude | 12.76m |
| Expected drop | 6.22m |
| Expected time | 00:06:50 UT ± 1.14 s |
| Expected duration | 2.25 s |
| 1-σ path width error | 0.38 |
| Star RUWE | 0.90 |
| Station |
| Observer | Anna Marciniak |
| Latitude | 052 16 36.8 |
| Longitude | 017 04 30.8 |
| Altitude | 83 m |
| Geodetic system | WGS84 |
| Nearest city | Poznan |
| Result |
| Overal result | Positive |
| Start observation | 00:05:49 UT |
| End observation | 00:07:10 UT |
| Disappearance | 00:06:49.780 UT ± 0.10 s |
| Reappearance | 00:06:51.560 UT ± 0.11 s |
| Duration | 1.78 s |
| Plotcode | include observation |
| Technical data |
| Telescope | Newtonian 40/180 [cm] |
| Camera | Andor Zyla 5.5 camera with sCMOS sensor |
| Exposure | 0.20 s |
| Observation method | Sequential images |
| Time source | GPS |
| Signal noise ratio | 5.4 |
| Wind | 3 B |
| Temperature | 6°C |
| Transparency | Broken opaque cloud [this is, observed thru gaps in the cloud] |
| Seeing | unstated |
| Additional information |
| Comment | |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2025-02-04 13:12:05 |
