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Important dates

Hercules Annual Session 2026 will take place from February 22nd to March 29th 2026.

 

 

 When  What
From 25th August to 1st October 2025

Online application to Hercules 2026

Mid-November

Decision of the selection committee acceptance letter will be sent by email

Before 1st December 2026

Commitment to participate in Hercules 2026 and additional information
Payment of the registration fees

Before 20th December 2025
(Full-time participants only)

Creation of your ILL user account (Full-time participants only: click here)

Additional mandatory documents to upload
Wish list for the practicals/tutorials to fill in

Before 31st January 2026
(Full-time participants only)

Creation of your ESRF user account

Safety trainings for the ESRF and the ILL
Employer authorization to access controlled radiation areas, for ILL

From February 22th to March 29th 2026

HERCULES 2026 annual session
 

Full-time participants:

   Arrival in Grenoble on Sunday February 22nd, welcome between 6:00 pm and 9:00 pm at the hotel.

   Departure from Grenoble on Sunday March 29th.

 

Part-time participants:
   The online programme will start on Monday Februay 23rd in the morning and end on Thursday March 26th evening.