+--------------------------------+ +--------------------------------+ ASTERIODAL OCCULTATION - REPORT FORM +--------------------------------+ +--------------------------------+ EAON & IOTA-ES EUROPEAN ASTEROIDAL OCCULTATION NETWORK INTERNATIONAL OCCULTATION TIMING ASSOCIATION EUROPEAN SECTION +--------------------------------+ +--------------------------------+ 1. DATE: 12 Mar 2015 STAR: HIP 54599 ASTEROID: (216) Kleopatra 2. OBSERVER Name: Stefano SPOSETTI (station 1) Address: 6525 GNOSCA - Switzerland Email: stefanosposetti@ticino.com 3. OBSERVING STATION 1 Nearest city: CH-Bellinzona Longitude: 09d 00m 48.9s E Latitude: 46d 11m 47.8s N Altitude: 235m (Google Earth) 4. TIMING OF EVENTS Occultation recorded: POSITIVE Type of event: "S"tart observation; "I"nterrupt-start; "D"isappearance; "B"link; "F"lash; "E"nd observation; "I"nterrupt-end; "R"eappearance; "O"ther (specify) Personal Equation Substracted: No Event Time (UTC) Accuracy + Comments code: HH:MM:SS.ss S.ss -S : 01:06:30 -D : 01:07:55.132 ± 0.020 s -R : 01:07:59.305 ± 0.020 s -E : 01:09:30 Duration: 4.173 s ± 0.040 s 5. TELESCOPE Type: Schmidt-Cassegrain, Celestron 8-inch Aperture: 200mm Magnification: FOV about 46 x 34 arcmin Mount: Equatorial Motor drive: No 6. TIMING & RECORDING Timekeeping: KIWI-OSD with GPS Garmin 18 LVC Sensor/Camera: Videocamera WAT-902H Ultimate, 1/2" Sony CCD-Sensor ICX429ALL Videocamera settings: AGC=LO, Gamma=OFF Device of recording: Personal computer, Logilink USB Grabber, composite-video input, Virtualdub software, saved on Harddisk Mode of recording: Integration time=0.040s, CCIR, Lagarith Time insertion device: KIWI-OSD 7. OBSERVING CONDITIONS Atmospheric transparency: good Wind: no Star image stability: good Minor Planet Visible: no 8. ADDITIONAL COMMENTS Tangra v.1.4.0.500 was used to extract the signal minus background from the avi file. A lightcurve is posted here: http://sposetti.ch/wp-content/uploads/2014/09/2015_Mar_12_Kleopatra_Sposetti.png