Contents.
      planet: 8 - Neptune  
  satellites: N1-Triton : 123
total number: 123
        type: relative
       dates: 1875-1877
 observatory: 787 - U.S. Naval Obs., Washington

References.
   1. Hall, Asaph (1877)
      Observations made with 26-inch Refractor of the U. S. Naval Observatory at Washington
      Astronomische Nachrichten. V. 90. p. 161. 
      1877AN_____90__161H
   
   2. Hall, Asaph (1876)
      Observations of the Satellites of Neptune and Uranus
      Astronomische Nachrichten. V. 88. P. 131.
      1876AN_____88__131H
   
Informations.
         relative to: planet
     reference frame: apparent
     centre of frame: topocentre
    epoch of equinox: date
          time scale: Washington Mean Time
           reduction: no information
         coordinates: position angle and separation
    diff. refraction: no information
            receptor: micrometric
           telescope: Refractor D= 26 inch
           observers: Hall A.
 data included in standard data file: no

Comments.
   Observation from  1 to  83 - reference 2
   Observation from 84 to 124 - reference 1 

Format.
  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 with decimals
  6. Degrees of P (position angle) in degrees (999 if not given)
  7. S (separation) in arcsec (-99.99 if not given)
 
-------------------------------------
 Year          W.M.T.      P        
   month                  deg.    S  
          day  h  m            arcsec
-------------------------------------