Event | |
Date | 2024-05-12 |
Asteroid | (2295) Matusovskij |
Star | UCAC4 509-049627 |
Asteroid magnitude | 17.77m |
Star magnitude | 13.03m / 12.60m / 12.60m (¹) |
Combined magnitude | 13.01m / 12.59m / 12.59m (¹) |
Expected drop | 4.76m / 1.20m / 1.20m (¹) |
Expected time | 20:04:48 UT ± 0.15 s |
Expected duration | 1.54 s |
1-σ path width error | 0.03 |
Star RUWE | 2.45 |
Station | |
Observer | Anna Marciniak, Paweł Białobłocki at al. |
Latitude | 052 16 36.8 |
Longitude | 017 04 30.8 |
Altitude | 83 m |
Geodetic system | WGS84 |
Nearest city | Poznan |
Result | |
Overal result | Positive |
Start observation | 20:02:52 UT |
End observation | 20:06:42 UT |
Disappearance | 20:04:41.410 UT ± 0.16 s |
Reappearance | 20:04:43.880 UT ± 0.11 s |
Duration | 2.47 s |
Plotcode | include observation |
Technical data | |
Telescope | Newtonian 40/180 [cm] |
Camera | Andor Zyla 5.5 camera with sCMOS sensor |
Exposure | 0.20 s |
Observation method | Sequential images |
Time source | GPS |
Signal noise ratio | 5 |
Wind | 3 B |
Temperature | 15°C |
Transparency | Clear |
Seeing | Strong flickering |
Additional information | |
Comment | Much shallower mag drop than predicted, even including the nearby 12.6 mag star (0.6 mag observed vs 1.2 mag). Event 5 seconds earlier than predicted. Occulted star RUWE = 2.45. |
SODIS | View report (requires account) |
OWC | View more details |
Last modified | 2024-06-01 13:46:29 |
(¹) Pobliska gwiazda wpływa na obserwację. Tabela zawiera wartość oryginalną oraz dla apertur odpowiednio 4 i 8 sekund łuku