Contents.
      planet: 7 - Uranus  
  satellites: U1-Ariel   : 47,
              U2-Umbriel : 42,
              U3-Titania :226,
              U4-Oberon  :240
total number: 555
        type: relative
       dates: 1907-1918
 observatory: 754 - Yerkes Observatory, Williams Bay
             
Reference.
   Barnard E. E. (1909)
   Observations of the satellites of Uranus.
   Astronomical Journal. V. 26. N. 606. P. 47-50.
   1909AJ_____26___47B
   Barnard E. E. (1912)
   Observations of the satellites of Uranus.
   Astronomical Journal. V. 27. N. 637. P. 104-106.
   1912AJ_____27__104B
   Barnard E. E. (1915)
   Observations of the satellites of Uranus.
   Astronomical Journal. V. 29. N. 677. P. 39-40.
   1915AJ_____29R__39B
   Barnard E. E. (1916)
   Observations of the satellites of Uranus.
   Astronomical Journal. V. 30. N. 699. P. 20-21.
   1916AJ_____30___20B
   Barnard E. E. (1919)
   Observations of the satellites of Uranus.
   Astronomical Journal. V. 32. N. 758. P. 105-107.
   1919AJ_____32__105B

Informations.
         relative to: planet: 498, U3-Titania : 42, U4-Oberon  : 15
     reference frame: apparent
     centre of frame: topocentre
    epoch of equinox: date
          time scale: Central Standard Time (6 hours slow of Greenwich)
           reduction: no information
         coordinates: position angle and separation
    diff. refraction: not excluded
            receptor: micrometric
           telescope: Reflector, D=40 inch
           observers: Barnard E.E. 
 data included in standard data file: no

Comments.
          no information

Format.
  1. Observed satellite number (obs)
  2. Reference satellite number (rel), 0 for Uranus
  3. Year    of the moment of observation
  4. Month   of the moment of observation
  5. Day     of the moment of observation 
  6. Hour    of the observation
  7. Minute  of the observation
  8. Seconde of the observation
  9. P (position angle) in degrees (999.9 if not given)
 10. S (separation) in arcsec (-9.99 if not given)
 
-----------------------------------------
sat   Year         C.S.T.           
obs     month      h  m  s    P       S  
  rel        day           degrees arcsec
-----------------------------------------