ASTEROIDAL OCCULTATION - REPORT FORM EAON & IOTA/ES 1. DATE: 2020 May 12 STAR: TYC 1527-01091-1 ASTEROID: (40417) 1999 RD16 2. OBSERVER: Name: Marcin Filipek Abbr: FIM Adress: 32-048 Jerzmanowice, Poland 3. OBSERVING STATION: Jerzmanowice Nearest city: Krakow, Poland Station: Latitude: 50 12 43.7 N Longitude: 19 45 02.6 E Altitude: 449 m WGS84, GPS meas 4. TIMING OF EVENTS OCCULTATION RECORDED : N E G A T I V E Type of event: (S)tart observation (I)nterrupt start (D)isappearance (B)link (F)lash (E)nd observation (J)nterrupt end (R)eappearance (O)ther (specify) Event Time (UTC) P. E. Accuracy code (HH MM SS.ss) S.ss SS.ss S 22 29 15 E 22 32 15 5. TELESCOPE Type: Newton Aperture: 250 mm Focal length: 1000 mm Mount: Equatorial, Sky-Watcher EQ6 Motor drive: Yes 6. TIMING & RECORDING Timekeeping: GPS Inserter SE OSD TomaszTech Sensor: Camera Samsung DCC-581F Recording: Hard disc on a PC 7. OBSERVING CONDITIONS Atmospheric transparency: very good Wind: no Star image stability: good Temperature: 2 deg Celsius Minor planet visible: no Event in altitude: 55° 8. OBSERVATION QUALITY: good 9. ADDITIONAL COMMENTS: Camera settings: Exposure 0.16 s AGC: low