How to join commission F3 & the IAU

  1. Professional scientists whose research is directly relevant to some branch of astronomy are eligible for election as Individual Members. Individual Members are, normally, admitted by the Executive Committee on the proposal of a National Member. Information on the qualification for membership and application procedure can be found at

  2. After Honolulu, it will be possible to join or leave Commissions at any time, under two conditions:

    • notify the Commission Secretary and the IAU Secretariat (at;
    • keep the total number of Commissions to three maximum.

    (This procedure will be added to the IAU Working Rules.)

  3. If you select a Commission in a given Division, but you're not already a member of that Division, your name will be automatically added to the membership of that Division.