ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 2019 December 29 STAR: UCAC4 666-029044 ASTEROID: 2650 Elinor 2 OBSERVER: Name: Gérard VAUDESCAL Abbr:VDC E-mail: gg.vaudescal@free.fr Address: 65380 Azereix - France Name: 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) Event Time (UT) Acc. Comments Code HH MM SS.ss S.ss S - 01:45:39.37 on frame n°8 (correction Gerhard Dangl) D - +/- R - +/- E - 01:47:17.29 on frame n°620 idem Duration : sec Mid-event: UT (Pédicted 01:46:27 +/- 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 - integrated Shutter Low x8 (0,16sec/f) - Gamma 1 - Gain 41dB Recording: OccuRec V3.3.1 Beta and Grabber Lindy USB2 - mode AAV - Intégration rate x4 Time insertion (specify):IOTA VTI V3 (CCIR) Event insertion (specify): PC-Windows7 7 OBSERVING CONDITIONS: Clear SKY Wind: 0 ms Temperature: 7 °C Star image stability: good - seeing 0,9 arcsec Minor planet visible: No 8 ADDITIONAL COMMENTS: Reduction under TANGRA 3.6.19 and AOTA v4.9.1.0 Predicted Max Duration: 1,5 sec Error in Time: +/- 2sec Predicted Combined Magnitude: 11,9 mag Predicted Magnitude Drop: 2.9 mag