+--------------------------------+ +--------------------------------+ ASTERIODAL OCCULTATION - REPORT FORM +--------------------------------+ +--------------------------------+ EAON & IOTA-ES EUROPEAN ASTEROIDAL OCCULTATION NETWORK INTERNATIONAL OCCULTATION TIMING ASSOCIATION EUROPEAN SECTION +--------------------------------+ +--------------------------------+ 1. DATE: December 24, 2018 STAR: UCAC4 534-010144 ASTEROID: (145451) RM 43 2. OBSERVER Name: Alberto OSSOLA Address: 6933 Muzzano (Switzerland) Email: aossola@bluewin.ch 3. OBSERVING STATION Nearest city: CH-6900 Lugano Longitude: 8d 55m 10.5s (E) Latitude: 45d 59m 50.6s (N) Altitude: 350m (From: Google Earth) 4. TIMING OF EVENTS Occultation recorded: POSITIVE Type of event: "S"tart observation; "I"nterrupt-start; "D"isappearance; "B"link; "F"lash; "E"nd observation; "I"nterrupt-end; "R"eappearance; "O"ther (specify) Personal Equation Substracted: Yes, AOTA report enclosed Event Time (UTC) Accuracy + Comments code: HH:MM:SS.ss S.ss -S : 02:15:30 -D : 02:20:45.87 +/- 1.28 -R : 02:21:04.43 +/- 0.64 -E : 02:21:30 5.TELESCOPE: Type: Schmidt Cassegrain Aperture: 230mm Focal lenght: 700 (focal reducer f:6,3 and f:5) Magnification: - Filters: no Mount: equatorial Motor drive: yes 6. TIMING & RECORDING Sensor/Camera: Videocamera WAT 910HX/RC, CCIR, 1/2" EXwiew HAD CCD II Videocamera settings: Shutter mode=x64 , Gain=28 , Gamma=1.0 Device of recording: Personal computer Virtualdub software, saved on Harddisk Mode of recording: Integration time=1.28s, CCIR, Time-inserter device: IOTA VTI 7. OBSERVING CONDITIONS Atmospheric transparency: good Wind: + Star image stability: rel.poor Minor Planet Visible: no 8. ADDITIONAL COMMENTS Moonlight