ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE (YYYY/MM/DD): 2022/10/31 STAR: UCAC4 529-048408 ASTEROID: Kobresia N°: 1233 2 OBSERVERS: Name: Leszek Benedyktowicz PTMA SOPiZ E-mail: lechben@go2.pl Address: Krakow, Poland 3 OBSERVING STATION: Nearest city: Burow Station: mobile station Longitude (DD MM SS.s): E 019 45 59.42 (WGS84) Latitude (DD MM SS.s): N 50 05 25.10 (WGS84) Altitude (m): 325 m (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) Comments Event Time (UT) P.E. Acc. Code HH:MM:SS.ss S.ss S.ss S - 00:13:01.00 - D - 00:13:59.20 +/- 0.3s R - 00:14:01.00 +/- 0.3s E - 00:14:21.00 - Duration : 0.8s +/- 0.6s Mid-event : 00:13:59.60 +/- 0.3s 5 TELESCOPE: Type: Schmidt-Cassegrain Aperture: 203 mm Focal length: 1000 mm (reducer 0.5x) Mount: Equatorial Motor drive: Yes Filter: 6 TIMING & RECORDING: Time source: GSP Timebox Shelyak Sensor: ZWO ASI 120MM Recording: 600ms integration (Exposure= 0,6 s) Recording device: laptop ASUS, SharpCap 3.2 (Windows10) Time insertion: laptop time corrected timebox-GPS Shelyak 7 OBSERVING CONDITIONS: Atmospheric transparency: good Wind: NO Temperature: 10 °C Star image stability: good Minor planet visible: NO 8 ADDITIONAL COMMENTS: 1.2 observed mag drop instead of 3.7 predicted - double star ?