| Event | |
| Date | 2023-03-29 |
| Asteroid | (206) Hersilia |
| Star | UCAC4 356-101458 |
| Asteroid magnitude | 14.02m |
| Star magnitude | 14.85m |
| Combined magnitude | 13.60m |
| Expected drop | 0.41m |
| Expected time | 03:29:52 UT ± 2.70 s |
| Expected duration | 11.79 s |
| 1-σ path width error | 0.07 |
| Star RUWE | 0.90 |
| Station | |
| Observer | Daniel Blazewicz |
| Latitude | 49 59 33.2 |
| Longitude | 020 19 04.2 |
| Altitude | 211 m |
| Geodetic system | WGS84 |
| Nearest city | Niepolomice |
| Result | |
| Overal result | Positive |
| Start observation | 03:26:38 UT |
| End observation | 03:33:06 UT |
| Disappearance | 03:29:53.2 UT ± 0.5 s |
| Reappearance | 03:29:58.6 UT ± 0.5 s |
| Duration | 5.4 s |
| Technical data | |
| Telescope | Dobsonian 35/168 [cm] |
| Camera | ZWO ASI 174MM |
| Exposure | 0.9 s |
| Observation method | Sequential images |
| Time source | NTP |
| Signal noise ratio | 6 |
| Wind | 0 B |
| Temperature | -4°C |
| Transparency | Clear |
| Seeing | Slight flickering |
| Additional information | |
| Comment | Observed drop 0.4 mag, as predicted. Noisy recording: additional short drops visible. Applied approx. camera delay: 32 ms. NTP synchronized with 1 ms accurracy. Dawn: Sun -8.4 deg. |
| SODIS | View report (requires account) |
| OWC | View more details |
| Last modified | 2023-03-31 09:56:13 |
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