| Event | |
| Date | 2023-07-08 |
| Asteroid | (7990) 1981 SN1 |
| Star | UCAC4 347-121072 |
| Asteroid magnitude | 18.31m |
| Star magnitude | 13.22m / 13.22m / 12.57m (¹) |
| Combined magnitude | 13.21m / 13.21m / 12.57m (¹) |
| Expected drop | 5.10m / 4.52m / 0.86m (¹) |
| Expected time | 00:13:13 UT ± 4.05 s |
| Expected duration | 0.73 s |
| 1-σ path width error | 3.49 |
| Star RUWE | 0.95 |
| Station | |
| Observer | Marcin Filipek |
| Latitude | 50 12 43.8 |
| Longitude | 19 45 02.8 |
| Altitude | 450 m |
| Geodetic system | WGS84 |
| Nearest city | Jerzmanowice |
| Result | |
| Overal result | Negative |
| Start observation | 00:12:47 UT |
| End observation | 00:13:45 UT |
| Technical data | |
| Telescope | Newtonian 40/90 [cm] |
| Camera | DVTI |
| Exposure | 0.1 s |
| Observation method | Analogue & digital video |
| Time source | GPS |
| Signal noise ratio | |
| Wind | 0 B |
| Temperature | 15°C |
| Transparency | Clear |
| Seeing | Slight flickering |
| Additional information | |
| Comment | |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2023-07-20 13:41:22 |
(¹) Pobliska gwiazda wpływa na obserwację. Tabela zawiera wartość oryginalną oraz dla apertur odpowiednio 4 i 8 sekund łuku
Załączniki
