ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 2014 April 23, predicted time: 20:02:54 UT STAR: 2UCAC 27484309 Mv: 12.2 mag ASTEROID: (543) Charlotte Mv: 14.7 mag 2 OBSERVER: Name: Jonas SCHENKER & Josef KAESER / Abbr: Schenker J Observatory E-mail: jonas.schenker@sunrise.ch Address: Ruetiweg 6, CH-5036 Oberentfelden, Switzerland 3 OBSERVING STATION: Nearest city: 5000 Aarau, Switzerland Station: Sternwarte Schafmatt (IAU Observatory Code: B77) Latitude: N 47° 25' 12.88" (WGS84) Longitude: E 07° 57' 02.95" (WGS84) Altitude: 820 m (MSL) (WGS84) Single station (Jonas SCHENKER & Josef KAESER) +----------------------------------+ 4 TIMING OF EVENTS: | | | OCCULTATION RECORDED: NEGATIVE | | | +----------------------------------+ Type of event: S = Start observation I = Interrupt-start D = Disappearance B = Blink F = Flash E = End observation I = Interrupt-end R = Reappearance O = Other Event Time (UTC) Acc. Comments Code HH MM SS.ss S.ss S 20 01 00.00 : Start observation (UTC) D -- -- --.-- : Disappearance (UTC) R -- -- --.-- : Reappearance (UTC) E 20 05 00.00 : End observation (UTC) Duration: --.-- s Mid-event: -- -- --.-- (UTC) 5 TELESCOPE: Type: Refractor Astro Physics Starfire Aperture: 155 mm Focal length: 1085 mm (f/7) Magnification: focal (resulting field of view: 20.5' x 15.3') Mount: equatorial Motor drive: yes 6 TIMING & RECORDING: Time source: GPS Garmin 18xLVC-5m Sensor: 1/2" Watec 910HX-RC (CCIR) (6.47 x 4.83 mm) 752 x 582 px (8.6 x 8.3 my) Frame Grabber: Hauppauge Analog Video Digitizer USB-Live 2 Time insertion: Video Time Inserter AME TIM-10 with GPS, Video frame time: Vt 7 OBSERVING CONDITIONS: Atmospheric transp.: poor Wind: 0.5 m/s Temperature: +12°C Star image stability: poor Minor planet visible: not observed 8 ADDITIONAL COMMENTS: Shutter mode: x8 (integrated) Integration time (It) = 0.16 s Correction time (Ct) = -0.090 s (evaluation in frames) Tolerance value = +/-0.080 s (evaluation in frames) Reported event time = Vt + Ct (correction time applied) Video editing software: VirtualDub Light measurement tool: Limovie