| Event | |
| Date | 2023-09-05 |
| Asteroid | (25307) 1998 XU77 |
| Star | UCAC4 400-124523 |
| Asteroid magnitude | 18.64m |
| Star magnitude | 13.74m / 13.74m / 12.73m (¹) |
| Combined magnitude | 13.73m / 13.73m / 12.73m (¹) |
| Expected drop | 4.91m / 4.79m / 0.54m (¹) |
| Expected time | 20:38:44 UT ± 4.33 s |
| Expected duration | 1.34 s |
| 1-σ path width error | 1.36 |
| Star RUWE | 1.00 |
| Station | |
| Observer | Anna Marciniak |
| Latitude | 052 36 14.0 |
| Longitude | 016 02 33.4 |
| Altitude | 65 m |
| Geodetic system | WGS84 |
| Nearest city | Sierakow |
| Result | |
| Overal result | Negative |
| Start observation | 20:37:45 UT |
| End observation | 20:39:49 UT |
| Technical data | |
| Telescope | SCT 35/185 [cm] |
| Camera | Andor Zyla 5.5 with sCMOS sensor |
| Exposure | 0.45 s |
| Observation method | Sequential images |
| Time source | GPS |
| Signal noise ratio | 8 |
| Wind | 1 B |
| Temperature | 20°C |
| Transparency | Clear |
| Seeing | Slight flickering |
| Additional information | |
| Comment | Probability: 6%. |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2023-10-24 05:43:48 |
(¹) Pobliska gwiazda wpływa na obserwację. Tabela zawiera wartość oryginalną oraz dla apertur odpowiednio 4 i 8 sekund łuku
Załączniki
