ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 2011/02/02 STAR: 2UCAC 26029392 ASTEROID: Quaoar Nø: 50000 2 OBSERVER: Name: Bernd GAEHRKEN Abbr: BG E-mail: gaehrken@gmx.de Address: Bernd Gaehrken, Am Holzbach 41, 33378 Rheda-Wd., Germany 3 OBSERVING STATION: Nearest city: Bayrischzell, Germany Latitude: N 47 41 05 (WGS84) Longitude: E 12 02 20 (WGS84) Altitude: 1100 m Single station +----------------------------------+ 4 TIMING OF EVENTS: | | | OCCULTATION RECORDED: negativ | | | +----------------------------------+ 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 - 05:55:51 - - : E - 06:00:01 - - : Duration : - Mid-event : - 5 TELESCOPE: Type: Newton Aperture: 150 mm Magnification: prime focus focal length 750mm Mount: EQUATORIAL Motor drive: YES 6 TIMING & RECORDING: Time source: PC Sensor: DSI-3 with IR-Pass-Filter Recording: PC Time insertion: - 7 OBSERVING CONDITIONS: Atmospheric transparency: GOOD Wind: NO Temperature: -6 deg Star image stability: bad Minor planet visible: NO 8 ADDITIONAL COMMENTS: additional infos on the homepage at: http://www.astrode.de/quaoar.htm The SNR was bad in dawn. So I had to add intervalls of 20s.