Contents. planet: 8 - Neptune satellites: N1-Triton : 5 total number: 5 type: relative dates: 1847 observatory: Cambridge References. Lassell W. (1849) Observations of Lassell's satellite of Neptune. Monthly Notices of the Royal Astronomical Society. V. 9. P. 103. 1849MNRAS___9__103L Informations. relative to: planet reference frame: apparent centre of frame: topocentre epoch of equinox: date time scale: Cambridge M. T. reduction: no information coordinates: position angle and separation diff. refraction: no information receptor: micrometric telescope: no information observers: Bond data included in standard data file: no Comments Format. 1. Year of the moment of observation 2. Month of the moment of observation 3. Day of the moment of observation 4. Hour of the moment of observation 5. Minute of the moment of observation 6. P (position angle) in degrees (999 if not given) 7. S (separation) in arcsec (-99.99 if not given) ---------------------------- Year Cam.M.T. P month deg. S day h m arcsec ---------------------------- 1847 10 25 7 45 230 15.4