Contents. planet: 8 - Neptune satellites: N2-Nereid : 4 total number: 4 type: absolute dates: 1987-1987 observatory: 807 - Cerro Tololo Observatory, La Serena Reference. Schaefer M. W., Schaefer B. E. (1988) Large-amplitude photometric variations of Nereid. Nature. V. 333. P. 436-438. 1988Natur_333__436S Informations. relative to: absolute reference frame: astrometric centre of frame: topocentre epoch of equinox: 1950.0 time scale: UTC reduction: no information coordinates: absolute diff. refraction: no information receptor: CCD telescope: 0.9-m telescope observers: Schaefer M. W., Schaefer B. E. data included in standard data file: no Comments. no information Format. 1. Number of satellite (N sat), 2 - Nereid 2. Year of the moment of observation 3. Month of the moment of observation 4. Day of the moment of observation with decimals 5. Hour of right ascension (alpha, h) 6. Minute of right ascension (alpha, m) 7. Second of right ascension (alpha, s) 8. Degree of declination (delta, deg) 9. Minute of declination (delta, ' ) 10. Second of declination (delta, '' ) ---------------------------------------------------- N Year UT alpha delta sat. month day with decimals h m s deg ' '' ----------------------------------------------------