| Event | |
| Date | 2025-03-21 |
| Asteroid | (12129) 1999 RB138 |
| Star | UCAC4 571-037170 |
| Asteroid magnitude | 19.28m |
| Star magnitude | 13.99m |
| Combined magnitude | 13.98m |
| Expected drop | 5.30m |
| Expected time | 22:19:21 UT ± 0.65 s |
| Expected duration | 2.32 s |
| 1-σ path width error | 0.20 |
| Star RUWE | 7.05 |
| 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 | 22:18:18 UT |
| End observation | 22:20:26 UT |
| Technical data | |
| Telescope | SCT 35/30 [cm] |
| Camera | Andor Zyla 5.5 with sCMOS sensor |
| Exposure | 0.40 s |
| Observation method | Sequential images |
| Time source | GPS |
| Signal noise ratio | 5.7 |
| Wind | 3 B |
| Temperature | 8°C |
| Transparency | Clear |
| Seeing | unstated |
| Additional information | |
| Comment | |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2025-03-26 20:12:41 |
Załączniki
