| Event |
| Date | 2023-01-13 |
| Asteroid | (9857) Hecamede |
| Star | UCAC4 602-026318 |
| Asteroid magnitude | 17.58m |
| Star magnitude | 14.05m |
| Combined magnitude | 14.01m |
| Expected drop | 3.57m |
| Expected time | 22:14:14 UT ± 3.81 s |
| Expected duration | 3.01 s |
| 1-σ path width error | 0.88 |
| Star RUWE | 1.35 |
| Station |
| Observer | Anna Marciniak |
| Latitude | 52 16 36.8 |
| Longitude | 17 04 30.8 |
| Altitude | 83 m |
| Geodetic system | WGS84 |
| Nearest city | Poznan |
| Result |
| Overal result | Negative |
| Start observation | 22:14:00 UT |
| End observation | 22:14:28 UT |
| Technical data |
| Telescope | Newtonian 40/180 [cm] |
| Camera | Andor Zyla 5.5 camera with sCMOS sensor |
| Exposure | 0.5 s |
| Observation method | Sequential images |
| Time source | GPS |
| Signal noise ratio | 11 |
| Wind | 4 B |
| Temperature | 7°C |
| Transparency | Clear |
| Seeing | Steady |
| Additional information |
| Comment | Short series due to technical problems, but well centered on the predicted time.
|
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2023-01-16 17:52:23 |
