| Event | |
| Date | 2023-04-21 |
| Asteroid | (101891) 1999 NL55 |
| Star | UCAC4 566-010091 |
| Asteroid magnitude | 20.75m |
| Star magnitude | 9.14m |
| Combined magnitude | 9.14m |
| Expected drop | 11.60m |
| Expected time | 19:28:13 UT ± 1.50 s |
| Expected duration | 0.19 s |
| 1-σ path width error | 5.79 |
| Star RUWE | 0.95 |
| 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 | 19:27:14 UT |
| End observation | 19:29:04 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 | 5.1 |
| Wind | 2 B |
| Temperature | 13°C |
| Transparency | Clear |
| Seeing | Steady |
| Additional information | |
| Comment | Probability: 5%. |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2023-04-28 07:31:49 |
Załączniki
