IAU General Assembly - Invitation letter, materials and announcements

To all IAU Member Federations

To the kind attention of all Members and Associate Federations of the IAU, Members of the IAU Committees and Auditors

INVITATION TO IAU GENERAL ASSEMBLY

Place: Sportzentrum Cumberland, 1140 Wien, Cumberlandstraße 102, and online videocall Zoom app, on September 7, 2025, 09:00 (CET – Central European Time)

Please provide the IAU Office with the names of the delegates who will represent your association at this IAU GA by 21 August 2025. For each delegate, please provide us with an email address and mobile phone number. Please inform us of the method by which your delegate will participate in this Assembly (in person in Vienna or via Zoom).

To check your microphones and video settings, the IAU Office will open a test conference the day before the General Assembly, with a different link.

If you have trouble joining the conference or have any questions, do not hesitate to contact the IAU Office: This email address is being protected from spambots. You need JavaScript enabled to view it. or +385915147787.

The invitation letter can be found here. For details, check the calendar section.

Please confirm that you have received the email and send us the requested information before Thursday, August 21, 2025.