ASTEROIDAL OCCULTATION - REPORT FORM - EAON EUROPEAN ASTEROIDAL OCCULTATION NETWORK   1. DATE: 28 febbraio 2021     STAR: UCAC4 535-038274 ASTEROID: (357) Ninina 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: NEGATIVE    Type of event: “S”tart observation: 21: 25: 07 UT “E”nd observation: 21: 31: 02 “D”isappearance: “R”eappearance: Duration:    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 16, 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: Yes 8.ADDITIONAL COMMENTS