ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 2020/07/13 STAR: UCAC4 548-149767 ASTEROID: Alphonsina Nø: 925 2 OBSERVER: Name: Bernd Gährken Abbr: BG E-mail: bgaehrken@web.de Address: Bernd Gährken, Hieronymusstr. 15b, 81241 München, Germany 3 OBSERVING STATION: Nearest city: Munich, Germany Latitude: N 48 07 19 (WGS84) Longitude: E 11 36 26 (WGS84) Altitude: 500 m Single station +----------------------------------+ 4 TIMING OF EVENTS: | | | OCCULTATION RECORDED: positiv | | | +----------------------------------+ Type of event Start observation Interrupt-start Disappearance Blink Flash End observation Interrupt-end Reappearance Other (specify) Comments Event Time (UT) P.E. Acc. Code HH MM SS.ss S.ss S.ss S - 1:24:53.535 - - : D - 1:26:09.297 - - : R - 1:26:14.857 - - : E - 1:28:06.540 - - : Duration : 5,56 s Mid-event : 1:26:12.077 UT 5 TELESCOPE: Type: Cassegrain Aperture: 800 mm Magnification: focal Mount: alt-az + derotator Motor drive: YES 6 TIMING & RECORDING: Time source: GPS-Time-Inserter Sensor: WATEC 120N Recording: Computer Time insertion: Yes 7 OBSERVING CONDITIONS: Atmospheric transparency: good Wind: No Temperature: 13°C Star image stability: good Minor planet visible: yes (at occultation in front of star) 8 ADDITIONAL COMMENTS: 12,5fps GPS-Times reduced by one frame 0,08s