ASTEROIDAL OCCULTATION - REPORT FORM - EAON EUROPEAN ASTEROIDAL OCCULTATION NETWORK 1. DATE: 14 agosto 2019 STAR: UCAC4-368-180084 ASTEROID: (163) Erigone 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: 22: 33: 29 UT “E”nd observation: 22: 38: 32 “D”isappearance: 22: 36: 25.36 +/- 0.040 s UT (with Dangl correction) “R”eappearance: 22: 36: 29.20 +/- 0.040 s Duration: 3.84 sec +/- 0.08 s 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 4, Gain=41, Gamma=1.00 Mode of recording Device of recording: IOTA-VTI, v.1.1.42 7.OBSERVING CONDITIONS Atmospheric transparency: Wind: Star image stability: good Temperature: Minor Planet Visible: 8.ADDITIONAL COMMENTS