Contents. planet: 6-Saturn satellites: S2-Enceladus: 37 S3-Tethys : 100 S4-Dione : 120 S5-Rhea : 134 S6-Titan : 155 S7-Hyperion : 78 S8-Iapetus : 152 total number: 776 type: relative dates: 1970-1972 observatory: 388 - Tokyo-Mitaka Reference. Hatanaka Y. (1995) Photographic Observations and Improvements of the Orbital Elements of Seven Saturnian Satellites. I. Reduction Method and Results of Observations during the 1970 and 1971 Oppositions. Publications of the National Astronomical Observatory of Japan. V. 4. N. 2. P. 23-66. 1995PNAOJ___4___23H Informations. relative to: planet reference frame: astrometric centre of frame: topocentre epoch of equinox: Mean equator at the nearest beginning of a year time scale: ET reduction: no information coordinates: X, Y diff. refraction: removed receptor: photographic telescope: Refractor, D = 65 cm, F = 10 m observers: Hatanaka Y. data included in standard data file: no Comments. Format. 1. Exposure number (N exp) 2. Satellite number (N sat): 2 - S2-Enceladus, 3 - S3-Tethys, ... 3. Year of the moment of observation 4. Month of the moment of observation 5. Day of the moment of observation with decimals 6. X=Delta(alpha)*cos(delta), arcsec 7. Y=Delta(delta), arcsec ------------------------------------------- N N Year exp sat month day with decimals X Y ET arcsec arcsec -------------------------------------------