ASTEROIDAL OCCULTATION - REPORT FORM EAON & IOTA/ES 1. DATE: 2021 Jun 09 STAR: UCAC4 533-072522 ASTEROID: (105) Artemis 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 25 00 E 22 28 00 5. TELESCOPE Type: Newton Aperture: 250 mm Focal length: 1000 mm Mount: Equatorial, Sky-Watcher EQ6 Motor drive: Yes 6. TIMING & RECORDING Time source: SNTP (NetTime) and GPS-inserter Sensor: ZWO ASI 178MC Recording: exposure 0.05 sec (50ms) Recording device: laptop HP, SharpCap 3.2 (Windows10) Time insertion: laptop clock corrected GPS-inserter 7. OBSERVING CONDITIONS Atmospheric transparency: good Wind: no Star image stability: good Temperature: 12 deg Celsius Minor planet visible: yes Event in altitude: 52° 8. OBSERVATION QUALITY: good 9. ADDITIONAL COMMENTS: Evaluation in Tangra Constellation : Her Distance from center line: 68 km Event probability at site : 38.2 % Star magnitude: 11.9 Asteroid magnitude: 11.5 Predicted mag.drop: 0.6