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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 : 03/APR/2005
  STAR : TYC 0238-02211-1
  ASTEROID : (798) RUTH

2.OBSERVER:
 Name: Stefano SPOSETTI
 Address: CH-6525 Gnosca, Switzerland
 E-mail: stefanosposetti@freesurf.ch

3.OBSERVING STATION:
 Nearest city: CH-6500 Bellinzona
 Station: Gnosca Observatory
 Latitude: 46deg 13min 54sec (N)
 Longitude: 9deg 1min 30sec (E)
 Altitude: 260 m
 Single/Multiple: single

5.TELESCOPE:
 Type: Newtonian
 Aperture: 40cm
 Magnification: -
 Mount: equatorial
 Motor drive: yes

6.TIMING & RECORDING:
         Occultation recorded:   NEGATIVE
         Personal Equation Substracted: No because of electronic timing
         Event Time in UT
         Code:           HH:MM:SS.ss  S.ss
         Code:           HH:MM:SS.ss  S.ss
         S        21:04:00
         E        21:13:00

Timekeeping: via Computer thru "Dimension4" software.
Mode of recording: CCD drift-scan thru "Winscan 207" software.
Device of recording:  CCD

7.OBSERVING CONDITIONS:
Atmospheric transparency: fair
Wind: weak
Star image stability: fair
Temperature: +12 deg C

8.ADDITIONAL COMMENTS:
No