The dust activity of comet C/1995 O1 (Hale-Bopp) between 3 AU and 13 AU from the Sun M. Weiler, H. Rauer, J. Knollenberg, L. Jorda and J. Helbert A&A, 403 1 (2003) 313-322 Published online: 29 April 2003 DOI: 10.1051/0004-6361:20030289