| Event | |
| Date | 2024-08-11 |
| Asteroid | (8109) Danielwilliam |
| Star | UCAC4 364-105619 |
| Asteroid magnitude | 18.78m |
| Star magnitude | 12.37m / 12.37m / 12.31m (¹) |
| Combined magnitude | 12.37m / 12.36m / 12.31m (¹) |
| Expected drop | 6.41m / 5.59m / 3.14m (¹) |
| Expected time | 21:10:08 UT ± 0.14 s |
| Expected duration | 0.49 s |
| 1-σ path width error | 0.29 |
| Star RUWE | 0.85 |
| 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 | 21:09:05 UT |
| End observation | 21:11:04 UT |
| Disappearance | 21:10:07.310 UT ± 0.08 s |
| Reappearance | 21:10:07.650 UT ± 0.08 s |
| Duration | 0.34 s |
| Plotcode | include observation |
| Technical data | |
| Telescope | Newtonian 40/180 [cm] |
| Camera | Andor Zyla 5.5 camera with sCMOS sensor |
| Exposure | 0.16 s |
| Observation method | Sequential images |
| Time source | GPS |
| Signal noise ratio | 11.1 |
| Wind | 1 B |
| Temperature | 20°C |
| Transparency | Clear |
| Seeing | Steady |
| Additional information | |
| Comment | |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2024-08-17 16:26:50 |
(¹) Pobliska gwiazda wpływa na obserwację. Tabela zawiera wartość oryginalną oraz dla apertur odpowiednio 4 i 8 sekund łuku
Załączniki
