Contents. planet: 9 - Pluto satellites: 1 - P1 Charon : 1 3 - P3 Hydra : 1 total number: 2 type: relative dates: 2006-2006 observatory: 309 - Cerro Paranal Reference. B. Sicardy, N. Ageorges, O. Marco, F. Roques, O. Mousis, P. Rousselot, O. Hainaut, A. Bellucci, F. Colas, E. Gendron, E. Lellouch, S. Renner, T. Widemann. 2006. CBET 610. 2006 August 31. Informations. relative to: planet reference frame: astrometric centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: no information coordinates: Delta(R.A.), Delta(Decl.) diff. refraction: no information receptor: CCD telescope: ESO 8.2-m Yepun telescope observers: B. Sicardy, N. Ageorges, O. Marco, F. Roques, O. Mousis, P. Rousselot, O. Hainaut, A. Bellucci, F. Colas, E. Gendron, E. Lellouch, S. Renner, T. Widemann. data included in standard data file: no Comments. no information Format. 1. Number of satellite (N sat) 2. Year of the date of observation 3. Month of the date of observation 4. Day of the date of observation with decimals (UTC) 5. Delta(R.A.), arcsec 6. Delta(Decl.), arcsec 7. Topocentric magnitude at the moment of observation (Magn.) ----------------------------------------------- year Delta(R.A.) Delta(Decl.) Magn. N month sat day arcsec arcsec -----------------------------------------------