Contents. planet: 7 - Uranus satellites: U1-Ariel : 24, U2-Umbriel : 22, U3-Titania : 38, U4-Oberon : 38 total number: 122 type: relative dates: 1903-1903 observatory: 662 - Lick Observatory, Mount Hamilton Reference. Aitken R.G. (1904) Observations of the satellites of Uranus in 1903 Lick Observatory bulletins. No. 51. P. 160-161 1904LicOB__51__157A Informations. relative to: Uranus (56), U3-Titania (50), U4-Oberon (16) reference frame: apparent centre of frame: topocentre epoch of equinox: date time scale: Pacific Standard Time reduction: no information coordinates: position angle and separation diff. refraction: excluded receptor: micrometric telescope: Refractor, D=36 inch observers: Aitken R.G. data included in standard data file: no Comments. no information Format. 1. Observed satellite number, obs. 2. Reference satellite number, ref. (0 for Uranus) 3. Year of the moment of observation 4. Month of the moment of observation 5. Day of the moment of observation 6. Hour of the observation 7. Minute of the observation 8. Seconde of the observation 9. P (position angle) in degrees (999.9 if P is not given) 10. S (separation) in arcsec (-99.99 if S is not given) -------------------------------------------- sat. Year P.S.T. ref month h m s P S obs day degrees arcsec --------------------------------------------