Contents. planet: 7 - Uranus satellites: U3-Titania : 6, U4-Oberon : 6 total number: 12 type: absolute dates: 2003-2003 observatory: 413 - Siding Spring Observatory Reference. NSDC communication 24 Sep 2003 Informations. relative to: absolute reference frame: astrometric centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: UCAC2 coordinates: absolute diff. refraction: no information receptor: CCD telescope: 1.0-m f/8 reflector observers: G. J. Garradd, R. H. McNaught. Measurer R. H. McNaught data included in standard data file: no Comments. Filter R 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 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, '' ) ---------------------------------------------------- N Year UT alpha delta sat. month day with decimals h m s deg ' '' ----------------------------------------------------