Contents. planet: 6 - Saturn satellites: S3-Tethys : 52, S4-Dione : 58, S5-Rhea : 79, S6-Titan : 57, S7-Hiperion : 42, S8-Iapetus : 99 total number: 387 type: absolute dates: 1999-1999 observatory: 689 - Flagstaff Reference. Stone, R.C. (2000) Positions for the outer planets and many of their satellites IV: FASTT observations taken in 1999-2000. The Astronomical Journal, v. 120, p. 2124-2130 2000AJ____120_2124S Informations. relative to: absolute reference frame: astrometric centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: Catalogue - AST coordinates: absolute diff. refraction: no information receptor: CCD telescope: Flagstaff Astrometric Transit Telescope (FASTT) observers: Stone R.C. data included in standard data file: no Comments. evaluation: The differences O-C(alpha)e, O-C(delta)e were also calculated by N.Emelianov with the theory by Harper & Taylor. With these O-C one have alpha delta M. (mean) -0.180" -0.052" R.M.S. (root mean square) 0.397" 0.233" Format. 1. Number of satellite (N sat) 2. Year of the moment of observation 3. Month of the moment of observation 4. Day of the moment of observation 5. Hour of the moment of observation 6. Minute of the moment of observation 7. Second of the moment of observation 8. Hour of right ascension (alpha, h) 9. Minute of right ascension (alpha, m) 10. Second of right ascension (alpha, s) 11. Degree of declination (delta, deg) 12. Minute of declination (delta, ' ) 13. Second of declination (delta, '' ) 14. Geocentric parallax in RA (arcsec) [geo - topo positions] 15. Geocentric parallax in Dec (arcsec) [geo - topo positions] 16. O-C(alpha)e for alpha, arcsec 17. O-C(delta)e for delta, arcsec ------------------------------------------------------------------------------- N Year h alpha delta parallax O-C sat month m alpha delta (alpha)e day s h m s deg ' '' arcsec (delta)e s arcsec -------------------------------------------------------------------------------