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Astron. Astrophys. 334, L61-L64 (1998) AcknowledgementsWe gratefully acknowlegde the support at the WHT, the Obs. de Haute-Provence and from the European Hale-Bopp Team members. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1998 Online publication: May 15, 1998 ![]() |