Contents. planet: 7 - Uranus satellites: U1-Ariel : 5, U2-Umbriel : 2, U3-Titania : 17, U4-Oberon : 14 total number: 38 type: relative dates: 1880-1880 observatory: 768 - Dearborn Observatory References. Hough G.W. (1881) Observations of the Satellites of Uranus, made at the Dearborn Observatory. Astronomische Nachrichten. V. 98. P. 25-28. 1881AN_____98___25H Informations. relative to: planet reference frame: apparent centre of frame: topocentre epoch of equinox: date time scale: Chicago Mean Time reduction: no information coordinates: position angle and separation diff. refraction: no information receptor: micrometric telescope: Refractor, D=18.5 inch observers: Hough G.W., Burnham S.W. data included in standard data file: no Comments. no information Format. 1. Observed satellite number (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 observation 6. Minute of the observation with decimals 7. P (position angle) in degrees (999.9 if not given) 8. S (separation) in arcsec (-99.99 if not given) ----------------------------------------- N Year Ch.M.T. sat month h m P S day degrees arcsec -----------------------------------------