| Event | |
| Date | 2023-09-21 |
| Asteroid | (407) Arachne |
| Star | UCAC4 601-023393 |
| Asteroid magnitude | 14.08m |
| Star magnitude | 15.07m |
| Combined magnitude | 13.71m |
| Expected drop | 0.37m |
| Expected time | 22:20:09 UT ± 0.84 s |
| Expected duration | 6.13 s |
| 1-σ path width error | 0.03 |
| Star RUWE | 1.00 |
| Station | |
| Observer | Daniel Antuszewicz |
| Latitude | 052 22 57.3 |
| Longitude | 020 54 09.0 |
| Altitude | 81 m |
| Geodetic system | WGS84 |
| Nearest city | Legionowo |
| Result | |
| Overal result | Positive |
| Start observation | 22:19:14 UT |
| End observation | 22:21:09 UT |
| Disappearance | 22:20:05.10 UT ± 1.30 s |
| Reappearance | 22:20:12.50 UT ± 1.30 s |
| Duration | 7.4 s |
| Technical data | |
| Telescope | Dobsonian 20/120 [cm] |
| Camera | ZWO ASI120mm |
| Exposure | 0.53 s |
| Observation method | Analogue & digital video |
| Time source | NTP |
| Signal noise ratio | 4.4 |
| Wind | 4 B |
| Temperature | 18°C |
| Transparency | Clear |
| Seeing | Strong flickering |
| Additional information | |
| Comment | Files from pymovie were made by Daniel Blazewicz. The time of occultation the star has also been improved. |
| Annotations | campaign: SlowRotators |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2023-10-12 17:14:56 |
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