| 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 | 22:20:16 UT ± 0.65 s |
| Expected duration | 2.32 s |
| 1-σ path width error | 0.20 |
| Star RUWE | 7.05 |
| Station |
| Observer | Daniel Błażewicz |
| Latitude | 49 59 33.0 |
| Longitude | 020 19 04.2 |
| Altitude | 210 m |
| Geodetic system | WGS84 |
| Nearest city | Klaj |
| Result |
| Overal result | Negative |
| Start observation | 22:19:13 UT |
| End observation | 22:20:49 UT |
| Technical data |
| Telescope | Dobsonian 35/168 [cm] |
| Camera | DVTI+CAM #32 IMX430 |
| Exposure | 0.140 s |
| Observation method | Analogue & digital video |
| Time source | GPS |
| Signal noise ratio | 4 |
| Wind | 1 B |
| Temperature | -1°C |
| Transparency | Clear |
| Seeing | Steady |
| Additional information |
| Comment | |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2025-03-25 02:52:20 |
