ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +-----------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +-----------------------------+ 1 DATE: 2003/08/26 STAR: TYC 5757-00353-1 ASTEROID: Bertholda N°: 420 2 OBSERVER: Name: Peter KUSNIRAK Abbr: Phone: +420 323 620 352 E-mail: peter@asu.cas.cz Adress: Astronomical Institute, Academy of Sciences of the Czech Republic 251 65 Ondrejov, Czech Republic 3. OBSERVING STATION Nearest city: Ondrejov, Czech Republic Station: Latitude: 49 54 52 N Longitude: 14 46 47 E Altitude: 528 m Geodetic datum: WGS84 Single station +----------------------------------------------+ 4. TIMING OF EVENTS | OCCULTATION RECORDED : POSITIVE | Type of event +----------------------------------------------+ Start observation Interrupt-start Disappearance Blink Flash End observation Jnterrupt-end Reappearance Other (specify) Event Time(UT) P. E. Acc. code HHMMSS.ss S.ss SS.ss S - 214258.00 - 1.0 D - 214325.91 - 1.0 R - 214339.04 - 1.0 E - 214354.00 - 1.0 Duration: 13.14 +/- 0.02 s 5 TELESCOPE Type: Reflector Aperture: 65 cm f:3.6 Magnification: CCD in primary focus Mount: Equatorial Motor drive: Yes (but switched off during observation) 6 TIMING & RECORDING Timekeeping: Time-signal Station: DCF77 Mode of recording: Device of recording: O Stopwatch O Visual O Tape O TV camera/Camcorder O Eye-ear-method O Photometer O T-Recorder (Chart) X Other: Apogee AP7p CCD X Other: CCD scan 7 OBSERVING CONDITIONS Atmospheric transparency: Good Wind: No Star image stability : Good Temperature: ~15d C 8 ADDITIONAL COMMENTS End of target-star trail out of image, but trail's full length (60-sec exp.) measured on 5 additional images captured before and after occultation. Absolute times may be in error by +-1.0 second, duration should be good to +-0.02 second. ========================================================================== Please send copy to: gillesregheere@voila.fr rdapt@waika9.com jan.manek@worldonline.cz Positive reports also to dunham@starpower.net ==========================================================================