+--------------------------------+ +--------------------------------+ ASTERIODAL OCCULTATION - REPORT FORM +--------------------------------+ +--------------------------------+ EAON & IOTA-ES EUROPEAN ASTEROIDAL OCCULTATION NETWORK INTERNATIONAL OCCULTATION TIMING ASSOCIATION EUROPEAN SECTION +--------------------------------+ +--------------------------------+ 1. DATE: 25 nov 2011 STAR: 3UC178-043836 ASTEROID: (9431) 1996 PS1 2. OBSERVER Name: Stefano SPOSETTI Address: 6525 GNOSCA - Switzerland Email: stefanosposetti@ticino.com 3. OBSERVING STATION Nearest city: CH-6500 Bellinzona Longitude: 46deg 13min 53.2sec (N) Latitude: 9deg 1min 26.5sec (E) Altitude: 260m 4. TIMING OF EVENTS Occultation recorded: NEGATIVE 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 : 01:37:35 -D : -R : -E : 01:39:03 5.TELESCOPE: Type: Newtonian Aperture: 40cm f/4 Magnification: - Mount: equatorial Motor drive: no 6. TIMING & RECORDING Timekeeping: GPS 1PPS (US Global Sat EM-406A) Sensor/Camera: Videocamera WAT-902H Supreme, 1/2" Sony CCD-Sensor Videocamera settings: - Device of recording: Personal computer, TV-AV PCI-TV7130, S-video input, Virtualdub software, saved on Harddisk Mode of recording: Integration time=0.04s (25 Img/s), CCIR, Huffyuv Time insertion device: IOTA-VTI, v.1.1.42 7. OBSERVING CONDITIONS Atmospheric transparency: good Wind: no Star image stability: good Minor Planet Visible: no 8. ADDITIONAL COMMENTS Automated observation. The telescope was pre-pointed to the target position. Limovie software was used to analyze the AVI files.