ASTEROIDAL OCCULTATION - REPORT FORM +--------------------------------+ +----------------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +--------------------------------+ +----------------------------------------+ 1 DATE: 09 June 2021 STAR: UCAC4 422-070463 ASTEROID: Bezovec No: 1963 2 OBSERVER: Name : Maciej Borkowski Address : 16-001 Ksiezyno, Poland 3 OBSERVING STATION: Nearest city : Bialystok Station : Ksiezyno Acc. Latitude : 53 4 33.7 N - 0.1" Longitude : 23 6 07.8 E - 0.1" Altitude : 145 - 1m Datum (WGS84 preferred): WGS84 Single, OR Double or Multiple station (Specify observer's name): single 4 TIMING OF EVENTS: +----------------------------------------------+ | OCCULTATION RECORDED: POSITIVE | +----------------------------------------------+ Type of event: "S"tart observation "I"nterrupt-start "D"isappearance "B"link "F"lash "E"nd observation "J"nterrupt-end "R"eappearance "O"ther (specify) Event Time (UT) P.E. Acc. Code HH MM SS.ss S.ss S.ss S - 23:14:14.177 D - 23:15:55.72 +/- 0.16 R - 23:15:57.96 +/- 0.16 E - 23:17:04.976 Duration: 2.24 +/- 0.22 sec All times above have 0.02 sec correction added due to TIM-10 VTI. Predicted max. duration (secs) : 2.5 Predicted max. drop (mag) : 1.8 - 2.3 Predicted mid-event (UT) : 23:15:57 Predicted error in time (secs) : 1 Was your reaction time applied to the above timings? - not relevant 5 TELESCOPE: Type : Newton f/5 Aperture : 300 mm Focal length: 1500 mm FOV : 14.7'x 10.0' Mount : azimuthal Motor drive: yes 6 TIMING & RECORDING: Time source : AME Video time inserter TIM - 10 (GPS time) Sensor : WATEC 910 HX camera Mode of recording: 8 bit AVI, AGC: medium Shutter : 0.32 s Recording : Laptop DELL Latitude 7480 (Windows 10 Intel Core i7 2.80GHz RAM 16 GB) Recording : VirtualDub64 2.0.0.0 7 OBSERVING CONDITIONS: Atmospheric transparency : good Wind (m/s) : 6 Temperature (deg C / humid.) : +14 / 86 Star image stability : good Minor planet visible : no Local conditions (degree) : star altitude: 31 S, sun altitude: -13 Local moon conditions (degree) : below horizon 8 ADDITIONAL COMMENTS: Observed star : UCAC4 422-070463 Star magnitude (mag) : 13.4 Minor planet magnitude (mag) : 15.3 Feed : IBEROC, last updated May 28, 2021 Rank : 99 Distance (km) : in the shadow, 12 km outside the central line Travel distance (km) : 13 km SE Shadow width (km) : 62 Predicted probability OccultWatcher (%) : 79.7 Predicted combined magnitude (mag) : 13.2 Faintest star on AVI (mag) : 14.1 Evaluation with Tangra 3.7