Contents. planet: 7 - Uranus satellites: U1-Ariel : 65, U2-Umbriel : 65, U3-Titania : 84, U4-Oberon : 78 total number: 292 type: relative dates: 1898-1901 observatory: 662 - Lick Observatory, Mount Hamilton Reference. Aitken R.G. (1898) Observations of the satellites of Uranus Astronomical Journal. V. 19. P. 76-77. 1898AJ_____19___76A Aitken R.G. (1900) Measures of the Satellites of Uranus in 1899 Astronomische Nachrichten. V. 151. N. 3607. P. 105-108. 1900AN____151__105A Aitken R.G. (1901) Observations of the satellites of Uranus in 1900 and 1901. Lick Observatory, University of California. Bulletin no. 7. N. 7. P. 36-39. 1901LicOB___7___36A Informations. relative to: Uranus 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: no information 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. Year of the moment of observation 3. Month of the moment of observation 4. Day of the moment of observation 5. Hour of the observation 6. Minute of the observation 7. Seconde of the observation 8. P (position angle) in degrees (999.9 if P is not given) 9. S (separation) in arcsec (-99.99 if S is not given) ---------------------------------------- Year P.S.T. sat month h m s P S obs day degrees arcsec ----------------------------------------