ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 2018 Mars 22 STAR: TYC 2451-00953-1 ASTEROID: (13071) 1991 RT5 2 OBSERVER: Name: Gérard VAUDESCAL Abbr:VDC E-mail: gg.vaudescal@free.fr Address: 65380 Azereix - France Name: Team Dinastro Abbr: E-mail: Address: 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) Comments Event Time (UT) Acc. Code HH MM SS.ss S.ss S - 20:10:31.21 on frame n°8 (correction Gerhard Dangl) D - +/- R - +/- E - 20:12:01.09 on frame n°2255 " Duration : Mid-event : Was your reaction time applied to the above timings? SO 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 - integrated Slow Shutter x2 ( 0,04s/fr)- Gamma 0.9 - Gain 31dB Recording: OccuRec V 3.2.0 Beta and Grabber Lindy USB2 - mode AAV Time insertion (specify):IOTA VTI V3 (CCIR) Event insertion (specify): PC-Windows7 7 OBSERVING CONDITIONS: CLEAR SKY Wind: 0 ms Temperature: 3°C Star image stability: good Minor planet visible: NO 8 ADDITIONAL COMMENTS: Reduction under TANGRA 3.6.15