Registration form

Registration fees and deadlines

Registration fees vary depending on your attendance profile and the registration date.

Opening event registration: 2^ndMarch 2026
Deadline for registration: 17^thJuly 2026

REGISTRATION FORM

Standard at early bird rate

Until June 15^th, 2026 included*

300 €

Standard at normal rate

Until July 17^th, 2026 included*

350 €

Accompanying persons

Only Colloquium dinner and social activity are included in the registration fees.

120 €

^{* Until 11:59 PM local time (Brussels, Belgium)}

More options

Invited Speakers and members of the Local Organising Committee will not pay any registration fees. They will receive a personal discount code to enter on the form, which will reduce the registration fees.

For all participants, the Colloquium Dinner is included in the registration fees, as is the social activity. For organisational purposes, we still ask you to confirm whether or not you will be attending the Colloquium Dinner and social activity in this form.

Accompanying persons have access to the conference dinner and the excursion, they are however not allowed to submit contributions.

If you would like to receive an invitation letter and/or a proof of payment, please select the appropriate box on the registration form, and our team will process your request.

Travels supports grants

Travels supports grants are available under certain conditions. For more information, please contact the organising team using the general event address available in the contact box below. All questions, requests and submissions related to these travel grants must be sent to the general address.

iconeAttention The grant applicants are invited to read the IAU grant regulations before sending their applications and use the following application form (to be attached to your application).