Contents. planet: 7 - Uranus satellites: U1-Ariel : 346, U2-Umbriel: 343, U3-Titania: 346, U5-Miranda: 232 total number: 1267 type: relative dates: 1977-1882 observatory: 586 - Pic du Midi 511 - Haute Provence 809 - European Southern Observatory, La Silla 568 - Mauna Kea (CFH) Reference. Veillet C. (1983) De l'observation et du mouvement des satellites d'Uranus. SERGA. These de Doctorat d'Etat - Universite de Paris 6. 1983. 1983dloe_book_____V Informations. relative to: U4-Oberon reference frame: astrometric centre of frame: topocentre epoch of equinox: B1950 time scale: UTC reduction: no information coordinates: X,Y diff. refraction: no information receptor: photographic telescope: 586 - Reflector, D=1 m (Pic du Midi) 511 - Reflector, D=120 cm (Haute Provence) 809 - Reflector, D= 1.5 m (Danois, ESO) 568 - Reflector, D= 3.6 m (CFH) observers: Veillet C. data included in standard data file: no Comments. no information Format. 1. Identificator of plate, first caracter - the name of observatory: P - 586 - Pic du Midi L - 511 - Haute Provence E - 809 - European Southern Observatory, La Silla H - 568 - Mauna Kea (CFH) 2. Year of the moment of observation 3. Month of the moment of observation 4. Day with decimals of the moment of observation 5. Number of satellite 6. Number of the reference satellite (U4-Oberon) 7. X, arcsec 8. Y, arcsec -------------------------------------------- Plate Year N N X Y month day sat ref arcsec --------------------------------------------