News / Events Seminars COLLOQUIA OF AI SAS Astronomical Institute SAS Wednesday, April 15th 2026, 10:00 lecture room AI SAS, Stara Lesna S. J. González Manrique University of La Laguna, Tenerife, Spain Magnetic Connectivity and Chromospheric Acceleration in an Arch Filament System Observed with Sunrise III Timetable for future colloqiua List of previous colloqiua Abstract template