ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 2019 December 15 STAR: UCAC4 677-037611 ASTEROID: 7874 1991 BE 2 OBSERVER: Name: Gérard VAUDESCAL Abbr:VDC E-mail: gg.vaudescal@free.fr Address: 65380 Azereix - France Name: Yves Argentin Abbr: E-mail: Address: 65200 Visker 3 OBSERVING STATION: Nearest city: VISKER(65200) Station: Observatoire de Biscarmiau Latitude: N 43 08 40.4 (WGS84) Longitude: E 00 03 31.8 (WGS84) Altitude: 488 m Single, OR Double or Multiple station (Specify observer's name): Single +----------------------------------+ 4 TIMING OF EVENTS: | | | OCCULTATION RECORDED: NEGATIVE | | | +----------------------------------+ Type of event Start observation Interrupt-start Disappearance Blink Flash End observation Jnterrupt-end Reappearance Other (specify) Event Time (UT) Acc. Comments Code HH MM SS.ss S.ss S - 19:34:04.00 on frame n°8 (correction Gerhard Dangl) D - +/- " R - +/- " E - 19:35:51.52 on frame n°92 " Duration : ------ sec Mid-event: -------- UT (Pédicted ------- +/- sec) Was your reaction time applied to the above timings? NO 5 TELESCOPE: Type: NEWTON Aperture: 305 mm Magnification: Focus 1188 mm Mount: Equatorial Motor drive: YES 6 TIMING & RECORDING: Time source: GPS 1 PPS Sensor: CAMERA WATEC 910HX/RC CCIR - Shutter Low x64 (1,28sec/f) - Gamma 1 - Gain 38dB Recording: OccuRec V 3.3.1 Beta and Grabber Lindy USB2 - mode AAV - Intégration rate x32 Time insertion (specify):IOTA VTI V3 (CCIR) Event insertion (specify): PC-Windows7 7 OBSERVING CONDITIONS: cloudy SKY 80% Wind: 0 ms Temperature: 12 °C Star image stability: good Minor planet visible: No 8 ADDITIONAL COMMENTS: Reduction under TANGRA 3.6.18