Contents.
      planet: 5 -Jupiter
  satellites: J1 - Io       : 321,
              J2 - Europe   : 239,
              J3 - Ganymede : 111,
              J4 - Callisto :   0
total number: 671
        type: relative
       dates: 2018
 observatory: 084 - Pulkovo

Reference.
    Narizhnaya, N. V.; Khovrichev, M. Yu.; Bikulova, D. A. (2019)
    Observations of the Galilean Moons of Jupiter at Pulkovo in 2018.
    Solar System Research. Vol. 53. N. 5. P. 368-375.
    2019SoSyR__53__368N

Informations.
           relative to: satellite (J2 - 101, J3 - 249, J4 - 321)
       reference frame: astrometric
       center of frame: topocenter
      epoch of equinox: J2000.0
            time scale: UTC
             reduction: Gaia DR1
           coordinates: differential: delta(Alpha), delta(Delta)
      diff. refraction: no information
              receptor: CCD
             telescope: Pulkovo Normal Astrograph (D/F = 330/3467 mm)
             observers: Narizhnaya, N. V.; Khovrichev, M. Yu.; Bikulova, D. A.
data included in standard data file: no

Comments.
  (O-C) rediduals were obtained with the MULTI-SAT web-server where the EPM2017 and V.Lainey-V.2.0|V1.1 theories were used

Format.
  1. Number of satellite (N): 1 - J1, 2 - J2, 3 - J3
  2. Number of reference satellite (Nr): 2 - J2, 3 - J3, 4 - J4
  3. Year  of the mean observation date
  4. Month of the mean observation date
  5. Day   of the mean observation date with decimals
  6. Differential right ascension (dRA, arcsec)
  7. Differential declination (dDE, arcsec)
  8. (O-C) residual in right ascension ((O-C)RA, arcsec)
  9. (O-C) residual in declination ((O-C)D, arcsec)
 10. Error of mean O-C in right ascension (e(O-C)RA, arcsec)
 11. Error of mean O-C in declination (e(O-C)D, arcsec)

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N   Year    Day       dRA        dDE  (O-C)RA (O-C)D e(O-C)RA e(O-C)D
  Nr  Month          arcsec     arcsec arcsec arcsec  arcsec   arcsec
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