================================================ Reminder: Call for Papers,  April 29, 2026                         We are pleased to announce: *OPAC-IROWG 2026* International Workshop on Occultations for Probing Atmosphere and Climate                   Joint OPAC-8 & IROWG-11 Workshop *September 10-16, 2026, Seggau Castle*,                           Leibnitz near Graz, Austria                    https://opacirowg2026.uni-graz.at/en/ Please be aware that the deadline - *May 3, 2026* - is quickly approaching https://opacirowg2026.uni-graz.at/en/abstract-submission/ There is very limited space for a deadline extension, since the *block reservation* at Seggau Castle is only secured until *May 31 *(promotion code: OPAC2026). U. Foelsche, J. Danzer, M. Schwärz, (WEGC & IPhys UniGraz, AT), OPAC Chairs H. Shao (JCSDA and UCAR, transitioning to Naval Research Lab., USA), IROWG Co-Chair A.J. Mannucci (JPL, Pasadena, USA), IROWG-CGMS Rapporteur ================================================== -- ************************************************************************** - Ulrich Foelsche - University of Graz - Institute of Physics, Department of Astrophysics and Geophysics (AGP) - Universitaetsplatz 5, 8010 Graz, Austria - Wegener Center for Climate and Global Change (WEGC) - Brandhofgasse 5, 8010 Graz, Austria - Tel: +43-316-380-8590 - E-mail: ulrich.foelsche@uni-graz.at **************************************************************************