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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: March 09, 2015
    STAR: 4UC 382-077757
    ASTEROID: 51-Nemausa

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 (Tables Gerhard Dangl)
    Event Time (UTC)       
    (Accuracy: very poor conditions, event positive but times uncertain, partic.Disappearence)
    code: HH:MM:SS.ss      S.ss
     -S : 02:05:51
     -D : 02:06:06.768 +/- 0.330s. (uncertain)
     -R : 02:06:13.168 +/- 0.330s. (probable)
     -E : 02:07:23


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-120N+, CCIR, 1/2" Sony CCD-Sensor ICX419ALL
    Videocamera settings: Shutter mode=SLOW 5 , Gain=max. , Gamma=off
    Device of recording: Personal computer
    Virtualdub software, saved on Harddisk
    Mode of recording: Integration time=0.640s., CCIR, 
    Time-inserter device: IOTA VTI


7. OBSERVING CONDITIONS
    Atmospheric transparency: poor 
    Wind:no
    Star image stability: poor
    Minor Planet Visible:no 

8. ADDITIONAL COMMENTS