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  • Wednesday, September 30, 2026
  • Study Club
    Public
    LB 149
    13:00 - 17:00

    Need a place to study? Want to boost your focus? Join us at The Study Club! The Study Club is …

    No Signup Required Members Only Free
  • Board Games Proposal
    Public
    Member's Room -- ISS
    17:00 - 22:00

    For our regular Friday Board game evenings, we are wondering which board games you have at home, so please fill …

    Signup Open External Free
  • EPHEMERIS vol. 5
    Public
    Outer Space
    23:57 - 23:58

    Your favourite astronomical magazine is almost here! Sign-up if you would like to buy a physical copy of it, for …

    Signup Open Members Only Free
  • Thursday, October 1, 2026
  • Weekly Borrel
    Public
    ISS
    17:00 - 20:00

    No Signup Required Members Only Free
  • Friday, October 2, 2026
  • IPA Astrolympics
    Public
    TBA
    17:00 - 19:00

    Time to put your teamwork to the test. Compete with your Astro Parent group in a series of fun challenges …

    No Signup Required Members Only Free
  • Monday, October 5, 2026
  • KFC Barbecue + Flunkyball (IPA)
    Public
    Recreatieplas Hoogkerk
    17:00 - 22:00

    Join the Kapteyn Food Committee for what is allegedly the best barbecue on campus 👀 Come by for some delicious …

    Signup Open Members Only €3.00
  • Wednesday, October 7, 2026
  • IPA (Introduction to Pirates vs Astronauts) Closing Borrel + Awards Ceremony
    Public
    T'Golden Fust
    22:00 - 23:59

    Look back on the past two weeks and find out which group takes the win! Finish the IPA together with …

    No Signup Required Members Only Free
  • Thursday, October 8, 2026
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    Starburst Potluck
    Public
    KB161
    17:00 - 20:00

    Want a taste of cultures all around the world? Come and share food at Starburst's first event: a potluck! Food …

    No Signup Required Members Only Free
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    rGb-orrel
    Public
    ISS
    17:00 - 20:00

    No Signup Required Members Only Free
  • Friday, October 9, 2026
  • SGC × Kaiser Autumn Observing Trip (waiting list)
    Public
    Schiermonnikoog
    15:00 - 15:00

    Join the Stargazing Committee of Sirius A and Kaiser for our autumn observing trip to Schiermonnikoog! We’ll head to the …

    Signup Open External €50.00
  • Tuesday, October 13, 2026
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    Friendship Speed Dating
    Public
    17:00 - 20:00

    No Signup Required Members Only Free
  • Wednesday, October 14, 2026
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    Casino Night
    Public
    Kapteyn 161
    17:00 - 21:00

    No Signup Required Members Only Free
  • Thursday, October 15, 2026
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    Monthly Stellar Talks
    Public
    KB161
    17:00 - 18:00

    Monthly talk

    No Signup Required Members Only Free
  • Friday, October 16, 2026
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    LaTeX workshop
    Public
    KB 5419.0142 (Virgo computer cluster)
    13:00 - 15:00

    Do you want to create aesthetic reports for your courses in a user-friendly environment, widely used in every discipline of …

    No Signup Required External Free
  • Wednesday, October 21, 2026
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    Board Game Evening
    Public
    17:00 - 21:00

    No Signup Required Members Only Free
  • Tuesday, October 27, 2026
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    Board event
    Public
    19:00 - 21:00

    No Signup Required Members Only Free
  • Monday, November 2, 2026
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    LAN Party
    Public
    Kapteyn Virgo and Hydra Cluster
    09:00 - 22:00

    No Signup Required Members Only Free
  • Wednesday, November 11, 2026
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    GeoGuessr Tournament
    Public
    Kapteyn 161
    17:00 - 21:00

    No Signup Required Members Only Free
  • Friday, November 13, 2026
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    Halloween Borrel
    Public
    'T Golden Fust
    21:00 - 23:59

    Borrel to celebrate Halloween and the start of block 1b. Halloween may be two weeks ago, but as we all …

    No Signup Required Members Only Free
  • Wednesday, November 18, 2026
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    Board Game Evening
    Public
    17:00 - 21:00

    No Signup Required Members Only Free
  • Wednesday, November 25, 2026
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    Sculpture 101
    Public
    KB 161
    17:30 - 20:00

    Sculpt. air dry clay :D

    No Signup Required Members Only Free
  • Wednesday, December 2, 2026
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    Blood on the Clocktower (Ft Atmos)
    Public
    Kapteyn 161
    17:00 - 21:00

    No Signup Required Members Only Free