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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: 15 Feb 2017
   STAR: 4U 554-33052
   ASTEROID: (7078) Unojonsson

2. OBSERVER
   Name: Stefano SPOSETTI
   Address: 6525 GNOSCA - Switzerland
   Email: stefanosposetti@ticino.com

3. OBSERVING STATION
   Nearest city: CH-Bellinzona
   Longitude: 09d 00m 51.0s E
   Latitude:  46d 11m 50.0s N
   Altitude: 240m
   (WGS84) 

4. TIMING OF EVENTS
   Occultation recorded: NEGATIVE
   Type of event:
   "S"tart observation;
   "E"nd observation;

   Event Time (UTC)       Accuracy + Comments
   code: HH:MM:SS.ss      S.ss
    -S : 20:56:05
    -E : 20:57:45

5. TELESCOPE
   Type: Schmidt-Cassegrain, Celestron 8-inch
   Aperture: 200mm
   Focal length: about 800mm (with focal reducer)
   Magnification: -
   Mount: Equatorial
   Motor drive: No

6. TIMING & RECORDING
   Sensor/Camera: Videocamera WAT-910HX-RC, CCIR, 1/2", ICX429ALL sensor
   Videocamera settings: Shutter = x32; Gain = 38/41; Gamma = 1.00
   Device of recording: Personal computer, Logilink grabber, composite input, Virtualdub, saved on Harddisk as 
compressed file with Huffyuv
   Timekeeping: GPS 1PPS (US Global Sat EM-406A)
   Time insertion device: IOTA-VTI, v.1.1.42
   Integration time: 0.640 s

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

8. ADDITIONAL COMMENTS
Observation made with: Andrea Colombo, Stefano Klett, Gilberto Luvini, Tiziana Talarico.