Contents. planet: 8 - Neptune satellites: N1-Triton : 330 total number: 330 type: relative dates: 1897-1899 observatory: 754 - Yerkes Observatory References. 1. Barnard E. E. (1898) Measures of the satellite of Neptune with the 40-inch refractor of the Yerkes Observatory, with remarks on the great telescope Astronomical Journal. V. 19. Iss. 436. P. 25-29. 1898AJ_____19___25B 2. Barnard E. E. (1899) Micrometrical measures of the satellite of Neptune during the opposition of 1898-99 with the 40-inch refractor of the Yerkes Observatory, with some remarks on temperature changes in the object-glass. Astronomical Journal. V. 20. Iss. 462. P. 41-44. 1899AJ_____20___41B Informations. relative to: planet reference frame: apparent centre of frame: topocentre epoch of equinox: date time scale: 90th Meridian Time = UTC - 6 h reduction: no information coordinates: position angle and separation diff. refraction: no information receptor: micrometric telescope: 40-inch observers: Barnard data included in standard data file: no Comments. Observation from 1 to 161 - reference 1 Observation from 163 to 331 - reference 2 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 the observation 5. Minute of the moment of the observation 6. Seconds of the moment of the observation 7. Degrees of P (position angle) in degrees (999 if not given) 8. S (separation) in arcsec (-99.99 if not given) ------------------------------------- Year Time P month deg. S day h m s arcsec -------------------------------------