ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 2014 November 02 20:54:14 +/- 10 s (UTC) STAR: USNO-B1.0 1131-0073904 Mv: 12.3 mag ASTEROID: (2032) Ethel Mv: 16.0 mag (diam. 35 km) 2 OBSERVER: Name: Jonas SCHENKER / 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) Predicted observation: yes (+9 km (north-west) of center line) Probability: 14.6% Single station: Jonas SCHENKER +----------------------------------+ 4 TIMING OF EVENT: | | | 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 P = Predicted time Event Time (UTC) Acc. Comments Code HH MM SS.sss S.sss S 20 53 14.41 0.020 : Start observation (UTC) D -- -- --.-- : Disappearance (UTC) -> miss! R -- -- --.-- : Reappearance (UTC) -> miss! E 20 55 22.12 0.020 : End observation (UTC) P 20 54 14.00 +/- 10 s : predicted time (UTC) Duration: --.-- s (predicted: max. 3.5 s) -> miss! Mid-event: -- -- --.-- (UTC) -> miss! 5 TELESCOPE: Type: Cassegrain Astrograph (LOMO / P. Keller) Aperture: 450 mm Focal length: 1500 mm f/3.3 (primary focus) Magnification: focal (resulting field of view: 14.8' x 11.8') 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.: clear (33° above horizon) Wind: 5.0 m/s Temperature: +08°C Star image stability: fair (33° above horizon) Minor planet visible: no 8 ADDITIONAL COMMENTS: Shutter mode: 1/50 s Integration time (It) = 0.020 s Correction time (Ct) = -0.020 s (evaluation in frames) Tolerance value = +/-0.020 s (evaluation in frames) Reported event time = Vt + Ct (correction time applied) Video editing software: VirtualDub Light measurement tool: Limovie 9 CREDITS: Sepp Kaeser, Fabienne Dubler for helpful assistance.