Contents. planet: 5 -Jupiter satellites: J2-Europe: 3, J3-Ganymede: 4, J4-Callisto: 1 total number: 8 type: relative dates: 1998-1998 observatory: 084 - Pulkovo Reference. Kisseleva T.P., Izmailov I.S. (2000) The results of Positional CCD-observations of satellites of Saturn and Jupiter with 26-inch refractor at Pulkovo Izvestiia glavnoi astronomicheskoi observatorii Pulkovo. N. 214. P. 333-343. 2000IzPul_214__333K Informations. relative to: J1-Io: 2, J2-Europe: 4, J4-Callisto:2 reference frame: astrometric centre of frame: topocentre epoch of equinox: date time scale: UTC reduction: no information coordinates: X, Y diff. refraction: removed receptor: CCD, ST-6, field 3' x 2' telescope: Refractor, F = 10.4 m, D = 62 cm observers: Kisseleva T.P., Izmailov I.S. data included in standard data file: no Comments. evaluation: The differences O-C(X)e, O-C(Y)e were calculated by N.Emelianov with the theory by J.Lieske With these O-C one have X Y M. (mean) -0.085" -0.045" R.M.S. (root mean square) 0.176" 0.316" Format. 1. Year of the moment of observation 2. Month of the moment of observation 3. Day of the moment of observation with decimals 4. Number of satellite (N sat) 5. Number of reference satellite (N ref) 6. X, arcsec 7. Y, arcsec 8. O-C(X)e for alpha, arcsec 9. O-C(Y)e for delta, arcsec ---------------------------------------------------------- Year UT N N X Y O-C month day sat ref (X)e (Y)e with decimals arcsec arcsec ----------------------------------------------------------