+--------------------------------+ +--------------------------------+ ASTERIODAL OCCULTATION - REPORT FORM +--------------------------------+ +--------------------------------+ EAON & IOTA-ES EUROPEAN ASTEROIDAL OCCULTATION NETWORK INTERNATIONAL OCCULTATION TIMING ASSOCIATION EUROPEAN SECTION +--------------------------------+ +--------------------------------+ 1. DATE: 23 Apr 2014 STAR: HIP 70049 ASTEROID: (20067) 1993 TN24 2. OBSERVER Name: Stefano SPOSETTI Address: 6525 GNOSCA - Switzerland Email: stefanosposetti@ticino.com 3. OBSERVING STATION Nearest city: CH-6500 Bellinzona Longitude: 9d 1m 26.5s (E) Latitude: 46d 13m 53.2s (N) Altitude: 260m (WGS84) 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 : 21:25:50 -D : -R : -E : 21:35:15 5. TELESCOPE Type: Schmidt-Cassegrain, Celestron 11-inch Aperture: 280mm Focal length: 930mm (with focal reducer) Magnification: FOV 23x18arcmin Mount: Equatorial Motor drive: Yes 6. TIMING & RECORDING Camera/Sensor: Videocamera WAT-910HX, CCIR, 1/2", ICX429ALL sensor Videocamera settings: Shutter=1/50; Gain=41dB; Gamma=1.00 Device of recording: Personal computer, Imaging Source DFG/SV1 PCI, S-video, CCIR, Lagarith, Virtualdub software, saved on Harddisk Timekeeping: KIWI-OSD with GPS Garmin 18 LVC Integration time: 0.040s (frames integration time) 7. OBSERVING CONDITIONS Atmospheric transparency: good Wind: low Star image stability: poor Minor Planet Visible: no 8. ADDITIONAL COMMENTS -