Contents. planet: 6 - Saturn satellites: 7 - S/2004 S7 : 10 8 - S/2004 S8 : 14 9 - S/2004 S9 : 12 10 - S/2004 S10 : 12 11 - S/2004 S11 : 12 12 - S/2004 S12 : 10 13 - S/2004 S13 : 11 14 - S/2004 S14 : 12 15 - S/2004 S15 : 14 16 - S/2004 S16 : 12 17 - S/2004 S17 : 12 18 - S/2004 S18 : 12 total number: 143 type: absolute dates: 2004-2005 observatory: 568 - Mauna Kea Reference. M.P.E.C. 2005-J13 Issued 2005 May 3, 21:33 UT Informations. relative to: absolute reference frame: astrometric centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: no information coordinates: absolute diff. refraction: no information receptor: CCD telescope: 8.3-m Subaru reflector, Keck 10-m telescope, Gemini North 8.1-m telescope. observers: S.S. Sheppard, D.C. Jewitt Measurer S. S. Sheppard data included in standard data file: no Comments. Magnitude is 23.1 - 25.5 (R) Format. 1. Number of satellite: 7 - S/2004 S7, ... 2. Year of the moment of observation 3. Month of the moment of observation 4. Day of the moment of observation with decimals 5. Hour of right ascension (alpha, h) 6. Minute of right ascension (alpha, m) 7. Second of right ascension (alpha, s) 8. Degree of declination (delta, deg) 9. Minute of declination (delta, ' ) 10. Second of declination (delta, '' ) 11. N observatory, N telescope, N observer (N obs) ---------------------------------------------------- N Year alpha delta N sat month obs day h m s deg ' '' ----------------------------------------------------