ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 21 November 2017 STAR: UCAC2 40300883 ASTEROID: Abundantia N?: 151 2 OBSERVER: Name: Carlo Gualdoni Abbr: CG E-mail: gualdoni.carlo@gmail.com Address: 22100 - Como - Italy 3 OBSERVING STATION: Nearest city: IT-22100 Como Station: Nirvana Observatory Latitude: 45� 48' 18" N Longitude: 09� 06' 01" E Altitude: 255 m Datum (WGS84 preferred): WGS84 Single, OR Double or Multiple station (Specify observer's name): +----------------------------------+ 4 TIMING OF EVENTS: | | | OCCULTATION RECORDED: POSITIVE | | | +----------------------------------+ Type of event Start observation Interrupt-start Disappearance Blink Flash End observation Jnterrupt-end Reappearance Other (specify) Comments Event Time (UT) P.E. Acc. Code HH MM SS.ss S.ss S.ss S - 23:09:06.00 - - : - - - : D - 23:10:01.26 - - ± 0.12 : R - 23:10:03.89 - - ± 0.05 : - - - : E - 23:11:01.00 - - : Duration : 2.63 Mid-event : 23:10:2.58 Was your reaction time applied to the above timings? 5 TELESCOPE: Type: Schmidt-Cassegrain Aperture: 25cm Magnification: - Mount: equatorial Motor drive: Yes 6 TIMING & RECORDING: Time source: GPS++ Sensor: Watec 910-HX camera (2 frames integrated) Recording: OccuRec 3.5 Time insertion (specify): IOTA-VTI Time inserter Event insertion (specify): - 7 OBSERVING CONDITIONS: Atmospheric transparency: goog Wind: Temperature: Star image stability: good Minor planet visible: no 8 ADDITIONAL COMMENTS: D and R were not instantaneous