ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE (2022/10/03): STAR: UCAC4 400-122466 ASTEROID: 1999 PY3 N°: 53418 2 OBSERVER: Name: Daniel Antuszewicz EAON Abbr: E-mail: danikantuszewicz@gmail.com Address: 3 OBSERVING STATION: Nearest city: Legionowo (Poland) Station: Legionowo Longitude (20 54 08.7): Latitude (52 22 57.4): Altitude (m):81 Datum (WGS84 preferred): Single, OR Double or Multiple station (Specify observer's name): +----------------------------+ 4 TIMING OF EVENTS: | | | EVENT REPORTED: POSITIVE | | | +----------------------------+ Event code S: observation Start I: Interruption start D: Disappearance J: Interruption end R: Reappearance B: Blink F: Flash E: observation End O: Other (specify) Abbreviations P.E.: Personal Equation = reaction time (for visual obs) Unc.: Uncertainty (global uncertainty on the given time) Comments: Event Time (UT) P.E. Unc. Code HH:MM:SS.ss S.ss S.ss S -17:17:27.27 - - : - - - : D -17 18 28.01 - - : ± 0.15 R -17 18 28.61 - - : ± 0.15 - - - : E -17:19:26.96 - - : Duration : 0.60 ± 0.15 Mid-event : 17 18 28.31 Was your reaction time applied to the above timings? 5 TELESCOPE: Type: Dobsonian Aperture: 8.0 inch Magnification: Mount: azimuthal Motor drive: no motor drive (manual guidance) 6 TIMING & RECORDING: Time source: NTP Meinberg (Win10) Sensor: CMOS MT9M034 (ZWO ASI 120mm) Recording: Yes SharpCap, direct to PC Time insertion (specify): NTP Time Server Monitor 7 OBSERVING CONDITIONS: Atmospheric transparency: good Wind: medium Temperature: 10°c Star image stability: Slight flickering Minor planet visible: no 8 ADDITIONAL COMMENTS: Exposure: 300ms, gain 100, Format: .ser Acquisition software: SharpCap Light star 13.6 mag ; Light asteroid 19.1 mag Photometry software used: Tangra3 link event: https://cloud.occultwatcher.net/event/640-53418-278267-647364-U122466#