ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE (YYYY/MM/DD): 2018/09/18 STAR: TYC 6300-1666-1 ASTEROID: Ninina N°: 357 2 OBSERVER: Name: Peter DELINCAK E-mail: pdlink@astronomy.sk Address: SLOVAKIA, Hviezdoslavova 1971, 022 01 Cadca Phone: +421 915 710 121 Web: www.astronomy.sk 3 OBSERVING STATION: Nearest city: Cadca Station: PDlink Observatory Longitude (DD MM SS.s): E 18 42 09.47 (WGS84) Latitude (DD MM SS.s): N 49 24 15.20 (WGS84) Altitude (m): 680.231m (WGS84) Single|Multiple station: Single +----------------------------+ 4 TIMING OF EVENTS: | | | EVENT REPORTED: POSITIVE | | | +----------------------------+ Event code S: observation Start I: Interruption start D: Disappearance J: Interruption end R: Reappearance B: Blink F: Flash E: observation End O: Other (specify) Personal Equation Substracted: No Comments Event Time (UT) P.E. Acc. Code HH:MM:SS.ss S.ss S.ss S - 17:38:00.000 0.020s : - - - : D - 17:40:13.246 0.020s : R - 17:40:28.362 0.020s : - - - : E - 17:43:00.000 0.020s : Duration : 15.116s +/- 0.020s Mid-event : 17:40:20.804 5 TELESCOPE: Type: Mirror optics Aperture: 400mm Magnification: prime focus (f/5) Mount: EQUATORIAL Motor drive: YES 6 TIMING & RECORDING: Time source: GPS 1PPS Integral GPS Receiver Sensor: CCD camera QHY 5 III 290 Recording: It=0.020s (50 Img/s), uncompressed AVI Recording device: PC W7 32b 7 OBSERVING CONDITIONS: Atmospheric transparency: GOOD Wind: NONE Temperature: 16C Star image stability: NORMAL Minor planet visible: NO 8 ADDITIONAL COMMENTS: Event data details according to the predictions from IOTA. Predicted event time was 17:40:25 UTC (+/- 34s) for my observing position. Predicted maximum duration was 14.5 seconds with a 4.1 mag drop. Position was 47km from predicted central line in SW direction inside the shadow with a probability of 62.5%. Analyzed by Tangra. Receiving 09 satellites Horizontal Dilution of Precision 0.9