CCD astrometry of Saturn's satellites in 1995 and 1997 D. Harper, K. Beurle, I. P. Williams, C. D. Murray, D. B. Taylor, A. Fitzsimmons and I. M. Cartwright Astron. Astrophys. Suppl. Ser., 136 2 (1999) 257-259 Published online: 15 April 1999 DOI: 10.1051/aas:1999211