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ASTEROIDAL 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: 09 Mar 2020
   STAR: UCAC4 591-018200
   ASTEROID: (58007) 2002 TL234

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

3. OBSERVING STATION
   Nearest city: CH-6525 Gnosca
   Longitude: 9d 1m 26.5s (E)
   Latitude: 46d 13m 53.2s (N)
   Altitude: 260 m
   (WGS84)

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

   Personal Equation Substracted: -
   Event Time (UTC) Accuracy + Comments
   code: HH:MM:SS.ss S.sss

-S : 19:48:40
-E : 19:54:40

5. TELESCOPE
   -Type: Schmidt-Cassegrain, Celestron 11-inch
   -Aperture: 280 mm
   -Focal length: 930 mm (with focal reducer)
   -Mount: Equatorial
   -Motor drive: Yes

6. TIMING & RECORDING
   -Camera/Sensor: Prototype digital camera with integrated GPS-VTI, SONY IMX174 CMOS sensor
(Website of the project: https://groups.io/g/d-vti-cam/)
   -Device of recording: Personal computer, USB3 input, DvtiCamControl v 4.8.6 software, saved on Harddisk as SER file
   -binning 2x2, camera bit depth = 16
   -Timekeeping: within the camera, GPS UTC clock
   -Integration time: 0.100 s

7. OBSERVING CONDITIONS
   -Atmospheric transparency: good/medium
   -Wind: -
   -Star image stability: moderate
   -Minor Planet Visible: -

8. ADDITIONAL COMMENTS
   -Occultwatcher, UKOCL prediction, 1.8 % probability