| Event | |
| Date | 2023-08-23 |
| Asteroid | (136915) 1998 HM109 |
| Star | UCAC4 597-024331 |
| Asteroid magnitude | 20.34m |
| Star magnitude | 11.13m / 11.13m / 11.13m (¹) |
| Combined magnitude | 11.13m / 11.13m / 11.13m (¹) |
| Expected drop | 9.21m / 9.21m / 8.04m (¹) |
| Expected time | 02:06:02 UT ± 1.63 s |
| Expected duration | 0.28 s |
| 1-σ path width error | 1.14 |
| Star RUWE | 1.10 |
| 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 | 02:05:01 UT |
| End observation | 02:07:01 UT |
| Technical data | |
| Telescope | SCT 35/185 [cm] |
| Camera | Andor Zyla 5.5 with sCMOS sensor |
| Exposure | 0.04 s |
| Observation method | Sequential images |
| Time source | GPS |
| Signal noise ratio | 6.4 |
| Wind | 2 B |
| Temperature | 16°C |
| Transparency | Clear |
| Seeing | Steady |
| Additional information | |
| Comment | Probability 29%. |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2023-09-06 18:29:07 |
(¹) Pobliska gwiazda wpływa na obserwację. Tabela zawiera wartość oryginalną oraz dla apertur odpowiednio 4 i 8 sekund łuku
Załączniki
