ASTEROIDAL OCCULTATION - REPORT FORM - EAON EUROPEAN ASTEROIDAL OCCULTATION NETWORK 1. DATE: 14 ottobre 2017 STAR: 4UC 611-020054 ASTEROID: (543) Charlotte 2. OBSERVER Name: Andrea MANNA Abr.: MAA Phone: 0041 91 859 06 61 Address: via alla Motta – Cugnasco (Switzerland) Email: andreamanna@sunrise.ch andrea.manna@laregione.ch 3. OBSERVING STATION Station: Cugnasco (c.Ti Switzerland) Nearest city: Locarno Longitude: 08d 55m 13.8s E Latitude: 46d 10m 35.5s N Altitude: 240m (Google Earth) 4. TIMING OF EVENTS Occultation recorded: POSITIVE Type of event: “S”tart observation: 02: 14: 00 UT “E”nd observation: 02: 18: 03 “D”isappearance: 02: 15: 35.27 +/- 0.08 UT (with Dangl correction) “R”eappearance: 02: 15: 52.59 +/- 0.08 Duration: 17.32 sec +/- 0.16 Personal Equation Substracted: Event Time (UTC) P.E. Accuracy + Comments code: HH:MM:SS.ss S.ss -S : -E : 5. TELESCOPE Type: Schmidt-Cassegrain Aperture: 200mm Focal length: 600mm (with focal reducer) Mount: Equatorial Motor drive: Yes 6. TIMING & RECORDING Timekeeping: GPS 1PPS (US Global Sat EM-406A) Videocamera Watec Wat-910HX/RC Shutter mode= X 8, Gain=40, Gamma=1.00 Mode of recording Device of recording: IOTA-VTI, v.1.1.42 7. OBSERVING CONDITIONS Atmospheric transparency: Wind: Star image stability: Temperature: Minor Planet Visible: 8. ADDITIONAL COMMENTS