planet: 8 - Neptune  
  satellites: N1-Triton : 72
total number: 72
        type: relative
       dates: 1911
 observatory: 786 - U.S. Naval Observatory, Washington

      Hall A. Jr., Burton H. E.(1913)
      Observations of the satellite of Neptune
      Astronomical Journal. V. 28. Iss. 654. P. 42-44.

         relative to: planet
     reference frame: apparent
     centre of frame: topocentre
    epoch of equinox: date
          time scale: Paris M. T.
           reduction: no information
         coordinates: position angle and separation
    diff. refraction: not information 
            receptor: micrometric
           telescope: 26-inch equatorial 
           observers: Hall, Burton
 data included in standard data file: no

  1. Year    of the moment of observation
  2. Month   of the moment of observation
  3. Day     of the moment of observation
  4. Hour    of the observation
  5. Minute  of the observation 
  6. Seconds of the observation
  6. P (position angle), degrees (999 if not given)
  7. P (position angle), arcmin (99 if not given)
  8. S (separation) in arcsec (-99.99 if not given)
Year        P.M.T.      P        
 month                 deg.         S  
      day  h  m  s       arcmin   arcsec
1911 2 21 11 35 39     264 35.9   -99.99