ASTEROIDAL OCCULTATION - REPORT yamamotoshinobu positive +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE 2019/05/14: STAR:UCAC 4 419-066380 ASTEROID:Yamamotoshinobu N°:5687 2 OBSERVER: Name:Castellani Jean Jacques EAON Abbr: E-mail:jejacastellani@orange.fr Address:Lieu dit"A Chardéou"32400 Cannet 3 OBSERVING STATION: Nearest city: Riscle Station: Cannet observatory Longitude (DD MM SS.s):-000°02'40.8" Latitude (DD MM SS.s):43°37'15.3" Altitude (m):180m Datum (WGS84 preferred):yes 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) Acc.: Accuracy (overall accuracy of the given time) Comments Event Time (UT) P.E. Acc. Code HH:MM:SS.ss S.ss S.ss S - 21h 48mn 37.02s - - : - - - : D - 21h 49mn 46.66s - - : +/-0,16s R - 21h 49mn 47.26s - - : - - - : E - 21h 51mn 02.58s - - : Duration :0,6s Mid-event : 21h 49mn 46.96s Was your reaction time applied to the above timings? 5 TELESCOPE: Type: Newton Aperture: 400mm Magnification:1660mm Mount: Equatorial Motor drive:yes 6 TIMING & RECORDING: Time source:GPS Garmin 18XLVC Sensor:Vatec 120N+ Recording:PC Compaq XP and Ulead vidéo studio (AVI). Time insertion (specify):Tim Event insertion (specify):mode slow 4 /Gain Hi/Gamma lo /temps d'intégration 0,32s 7 OBSERVING CONDITIONS: Atmospheric transparency:bad Wind:no Temperature:+ 11°C Star image stability: bad Minor planet visible:no 8 ADDITIONAL COMMENTS: Analyse with Tangra v3.6 Probability :7,5% Time prédiction: 21h 49mn 47s The decrease of the flux vidéo was faintly than the prédiction. It was 1300 ADU to 500 ADU.