Contents.
      planet: 8 - Neptune
  satellites: N2-Nereid
total number: 150
        type: absolute
       dates: 2012-2017
 observatory: 327 - Xinglong station of National Astronomical Observatory
              O44 - Lijiang station of Yunnan Astronomical Observatory

Reference.
    Yu Y., Qiao R. C., Yan D., Cheng X., Xi X. J., Tang K., Luo H. (2018)
    New precise astrometric observations of Nereid in 2012-2017.
    Planetary and Space Science. V. 152. P. 82-85. 
    2018P&SS__152___82Y
    2018P&SS__152___82Y

Informations.
         relative to: absolute
     reference frame: astrometric
     centre of frame: topocentre
    epoch of equinox: J2000
          time scale: UTC 
         coordinates: absolute
            receptor: CCD
           telescope: 0.8-m and 2.4-m telescopes
           observers: Yu Y., Qiao R. C., Yan D., Cheng X., Xi X. J., Tang K., Luo. H

Format.
  1. Year   of the moment of observation
  2. Month  of the moment of observation
  3. Day    of the moment of observation with decimals (UTC)
  4. Hour   of right ascension (alpha, h)
  5. Minute of right ascension (alpha, m)
  6. Second of right ascension (alpha, s)
  7. Degree of declination (delta, deg)
  8. Minute of declination (delta, '  )
  9. Second of declination (delta, '' )
 10. Site code number

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  Year    Day with   alpha           delta        Site
     Month decimals  h  m  s      deg  ' ''  
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