Contents.
      planet: 7 - Uranus  
  satellites: U1-Ariel   : see reference satellites
              U2-Umbriel :  5,
              U3-Titania : 19,
              U4-Oberon  : 62
total number: 86
        type: relative
       dates: 2007-2011
 observatory: 084 - Pulkovo

References.
   Roschina E. A., Izmailov I. S., Kiseleva T. P.
   Astrometric observations of uranian satellites with 26-inch refractor in 2007-2011. 
   Astronomicheskij vestnik (Solar System Research). 2015. V. 49. N 2. P. 1–6.

Informations.
         relative to: reference satellites: U1-Ariel: 17, U2-Umbriel : 28, U3-Titania : 41
     reference frame: astrometric
     centre of frame: topocentre
    epoch of equinox: J2000
          time scale: UTC 
           reduction: no information
         coordinates: differences in rigth ascension and declination
    diff. refraction: no information
            receptor: CCD
           telescope: 26-inch refractor
           observers: Roschina E. A., Izmailov I. S., Kiseleva T. P.
 data included in standard data file: no

Comments.
          no information

Format.
  1. N1, Number of observed satellite
  2. N2, Number of reference satellite
  3. Year of the moment of observation
  4. Month of the moment of observation
  5. Day with decimals of the momentf observation
  6. DRA       Difference in Rigth Ascension J2000, arcsec
  7. DDE       Difference in Declination J2000, arcsec
  8. (O-C)DRA  O-C residuals in Right Ascension, arcsec
  9. (O-C)DDE  O-C residuals in Declination, arcsec
 10. eDRA      error of mean O-C in Right Ascension, arcsec
 11. eDDE      error of mean O-C in Declination, arcsec
 12. sDRA      standard deviation of O-C in Right Ascension, arcsec 
 13. sDDE      standard deviation of O-C in Declination, arcsec
 
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N N Year               DRA     DDE    (O-C)  (O-C)  eDRA  eDDE  sDRA  sDDE
1 2   month                            DRA   DDE
            day        arcsec  arcsec arcsec arcsec arcsec arcs arcs arcsec
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