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                ASTERIODAL OCCULTATION - REPORT FORM

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                      EAON & IOTA-ES

              EUROPEAN ASTEROIDAL OCCULTATION NETWORK

   INTERNATIONAL OCCULTATION TIMING ASSOCIATION EUROPEAN SECTION

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1. DATE: 21 OCT 2012
   STAR: 3UC136-326184
   ASTEROID: (44) Nysa

2. OBSERVERS
   Name: Luca BERTI, Andrea MANNA, Jose DE QUEIROZ, Stefano SPOSETTI
   Address: 6516 CUGNASCO - Switzerland
   Email: stefanosposetti@ticino.com

3. OBSERVING STATION
   Nearest city: CH-6500 Bellinzona
   Longitude: 8d 55m 13.8s (E)
   Latitude: 46d 10m 35.5s (N)
   Altitude: 240m
   (WGS84)

4. TIMING OF EVENTS
   Occultation recorded: NEGATIVE
   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: No
   Event Time (UTC)       Accuracy + Comments
   code: HH:MM:SS.ss      S.ss
    -S : 18:30:53
    -D :
    -R :
    -E : 18:37:15

5.TELESCOPE:
   Type: Schmidt-Cassegrain
   Aperture: 200mm
   Focal length: 600mm (with focal reducer)
   Magnification: FOV 35x28 arcmin
   Mount: equatorial
   Motor drive: yes

6. TIMING & RECORDING
   Timekeeping: GPS 1PPS (US Global Sat EM-406A)
   Sensor/Camera: Videocamera WAT-120N+, CCIR, 1/2" Sony CCD-Sensor ICX419ALL
   Videocamera settings: Shutter mode=6, Gain=max, Gamma=OFF
   Device of recording: Videograbber Logilink, Composite input
   Virtualdub software, saved on Harddisk
   Mode of recording: Integration time=1.28s, CCIR, Uncompressed
   Time insertion device: IOTA-VTI

7. OBSERVING CONDITIONS
   Atmospheric transparency: fair
   Wind: no
   Star image stability: good
   Minor Planet Visible: yes

8. ADDITIONAL COMMENTS
   Tangra software was used to analyze the AVI file.