ASTEROIDAL OCCULTATION - REPORT (989)Schwassmannia négative +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE 2021/07/19: STAR:Ucac4 420-114140 ASTEROID:Schwassmannia N°:989 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°02'40.7" 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: négative | | | | | +----------------------------+ 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 - 20h54mn06.28s - - : - - - : D - - - R - - - : - - - : E - 20h55mn58.29s - - : Duration : Mid-event : 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 10 Event insertion (specify):mode slow 4/Gain Hi/Gamma lo /temps d'intégration 0,32s/correction -170ms 7 OBSERVING CONDITIONS: Atmospheric transparency:good Wind:no Temperature:+22°C Star image stability: medium Minor planet visible:no 8 ADDITIONAL COMMENTS: Probability :26,7% Max. duration :1s Drop : 3 mag.