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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: 18 Oct 2018
   STAR: UCAC4 368-177464
   ASTEROID: (168) Sibylla

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

3. OBSERVING STATION
   
   Nearest city: CH-6600 Locarno
   Station: Specola Solare
   Longitude (DD MM SS.s): 08 47 16.0 (E)
   Latitude (DD MM SS.s): 46 10 20.1 (N)
   Altitude: 368 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 : 19:28:15
-E : 19:32:35

5. TELESCOPE
   
   -Type: Schmidt-Cassegrain, Celestron 8-inch
   -Aperture: 200 mm
   -Focal length: 800 mm (with focal reducer)
   -Magnification: -
   -Mount: Equatorial
   -Motor drive: Yes

6. TIMING & RECORDING
   
   -Sensor/Camera: Videocamera WAT-910HX-RC, CCIR, 1/2", ICX429ALL sensor
   -Videocamera settings: Shutter = x128; Gain = 26/41; Gamma = 1.00   
   -Device of recording: Personal computer
   -Videograbber: Logilink USB Grabber VG0001, composite input
   -Software: Virtualdub v. 1.10.4, saved as compressed Lagarith AVI file
   -Time insertion device: KIWI-OSD with GPS Garmin 18 LVC
   -Integration time: 2.560 s
  
7. OBSERVING CONDITIONS
   -Atmospheric transparency: bad, thin clouds with Moonlight
   -Wind: -
   -Star image stability: good
   -Minor Planet Visible: -

8. ADDITIONAL COMMENTS
   -