Important dates

  • Pre-registration starts June 1 2025
  • Opening of Registration, Contributed Talk & Poster Submission September 1 2025
  • IAU Travel Grant Submission Opening October 1 2025
  • Closing of Contributed Talk & Poster abstract submission & IAU Travel Grant deadline December 15 2025
  • Contributed Talk & Poster selection: Announcement February 15 2026
  • Conference fee payment deadline & requests for visa invitation letters (preferable) March 31 2026
  • IAUS 405 at the Brno Observatory and Planetarium May 18 2026 – May 22 2026
  • Deadline for submitting IAUS 405 proceeding contributions (preliminary) July 31 2026

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