Contents.
      planet: 6 - Saturn
  satellites: S3-Tethys  :  1,
              S4-Dione   :  1,
total number: 2
        type: relative
       dates: 2009-2010
 observatory: 286 - Yunnan Observatory

Reference.
	Zhang X., Liu Z., Tang Z. (2013)
	Astrometric results of the mutual events between the Saturn's satellites observed at Yunnan Observatory.
	Planetary and Space Science. Vol. 76. P. 83-86.
	2013P&SS___76___83Z

Informations.
         relative to: reference body (an occulted or eclipsed satellite)
                      S3-Tethys  :  1,            
                      S4-Dione   :  1
     reference frame: astrometric
     centre of frame: heliocentric for mutual eclipse, geocentric for mutual occultation
    epoch of equinox: J2000
          time scale: UTC
           reduction: from mutual occultations and eclipses
         coordinates: X, Y (heliocentric for mutual eclipse, geocentric for mutual occultation)
    diff. refraction: no information
            receptor: CCD
           telescope: 1-m telescope (first observation), 60-cm telescope (second observation)
           observers: no information
 data included in standard data file: no

Comments.

Format.
  1. Year of observation
  2. Month of observation
  3. Day of observation
  4. The type of the phenomenon (eclipse or occultation) including the
     satellite numbers. The type of phenomenon is coded as n_a o n_p 
     or n_a e n_p for a mutual occultation or eclipse, respectively
     Here $n_a$ is the number of the occulting or eclipsing satellite 
     and $n_p$ is that of the occulted or eclipsed satellite
  5. Hour of the midtime of the event (UTC)
  6. Minute of the midtime of the event (UTC)
  7. Second of the midtime of the event with decimals (UTC)
  9. X coordinate in arcseconds (heliocentric for mutual eclipse, geocentric for mutual occultation)
 10. Y coordinate in arcseconds (heliocentric for mutual eclipse, geocentric for mutual occultation)
 11. sigma of X in arcseconds
 12. sigma of Y in arcseconds
 13. Position angle A (in degrees) corresponding to X, Y
 14. Impact parameter I in arcseconds
 15. Flux drop at the minimum of the event (F, %)

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Year  Date Type Midtime        X        Y     sigma X sigma Y  A       I      F
  Month         h  m  s      arcsec   arcsec   arcsec arcsec  deg    arcsec   %
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