Contents.
      planet: 6 - Saturn
  satellites: S10 - Janus   :  2,
              S17 - Pandora : 20
total number: 22
        type: absolute
       dates: 2013, 2015
 observatory: Cassini space probe

Reference
   Cooper, N. J.; Lainey, V.; Meunier, L.-E.; Murray, C. D.; Zhang, Q.-F.; Baillie, K.; Evans, M. W.; Thuillot, W.; Vienne, A. (2018)
   The Caviar software package for the astrometric reduction of Cassini ISS images: description and examples 
   Astronomy & Astrophysics. Vol. 610, id.A2.
   2018A&A___610A___2C

Informations.
         relative to: absolute
     reference frame: astrometric
     centre of frame: Cassini space probe
    epoch of equinox: ICRF
          time scale: UTC
           reduction: UCAC5, Tycho2
         coordinates: absolute
    diff. refraction: 
            receptor: CCD
           telescope: Cassini ISS Narow Angle Camera (NAC)
           observers: Cassini space probe
 data included in standard data file: no

Comments.

Format.
   1. Image identification number (Id)
   2. Year of the date of the observation
   3. Month of the date of the observation
   4. Day of the date of the observation
   5. Hour of the observation time (image mid-time)
   6. Minute of the observation time (image mid-time)
   7. Seconds of the observation time (image mid-time)
   8. Right ascension of the camera's pointing vector orientation (RAc, degrees)
   9. Declination of the camera's pointing vector orientation (DEc, degrees)
  10. The camera's twist angle (twist, degrees)
  11. The satellite's line position (line, pixels)
  12. The satellite's sample position (sample, pixels)
  13. The satellite's right ascension (RA, degrees)
  14. The satellite's declination (DE, degrees)
  15. The satellite's identification number, N (10 — S10, 17 — S17)

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Id           Year   Day   Time          RAc          DEc       twist        line      sample    RA           DE       N
               Month    h  m  s       degrees      degrees    degrees       pixels    pixels  degrees      degrees
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