planet: 8 - Neptune  
  satellites: N1-Triton : 4
total number: 4
        type: relative
       dates: 1848
 observatory: 992 - Liverpool

     Lassell, William (1849)
     Observations of Lassell's satellite of Neptune.
     Monthly Notices of the Royal Astronomical Society. V. 9. P. 103.

         relative to: planet
     reference frame: apparent
     centre of frame: topocentre
    epoch of equinox: date
          time scale: Greenwich M. T.
           reduction: no information
         coordinates: position angle and separation
    diff. refraction: no information 
            receptor: micrometric
           telescope: no information
           observers: Lassell 
 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 with decimals
  4. P (position angle) in degrees (999 if not given)
  5. S (separation) in arcsec (-99.99 if not given)
Year    G.M.T.    P        
 month           deg.    S  
        day           arcsec