planet: 7 - Uranus  
  satellites: U3-Titania : 29,
              U4-Oberon  : 29
total number: 58
        type: relative
       dates: 1866-1868
 observatory: 802 - Harvard Observatory, Cambridge

   Winlock J., Pickering E.C. (1888)
   Micrometric measurments. Chapter IV. 
   Satellites of Saturn, Uranus, and Neptune.
   Annals of Harvard College Observatory. V. 13. P. 86-91.

         relative to: planet
     reference frame: apparent
     centre of frame: topocentre
    epoch of equinox: date
          time scale: Grinwich Mean Time
           reduction: no information
         coordinates: position angle and separation
    diff. refraction: not excluded
            receptor: micrometric
           telescope: East Equatorial
           observers: J. Winlock, B. Peirce, S.P. Langley,
                      C.S. Peirce, G.M. Searle.
 data included in standard data file: no

          no information

  1. Observed satellite number (N sat)
  2. Year    of the moment of observation
  3. Month   of the moment of observation
  4. Day     of the moment of observation with decimals 
  5. P (position angle) in degrees (999 if not given)
  6. S (separation) in arcsec (-99.99 if not given)
N  Year    G.M.T.              
sat  month           P       S  
          day      deg.    arcsec