Call for Proposals

ESO invites proposals for observations at ESO telescopes during Period 115.

The deadline for Period 115 (1 April 2025 – 30 September 2025) is:

26 September, 2024

(12:00 noon, Central European Summer Time)

 

The conditions and policies for proposing for observations are outlined and linked in the Period 115 Call for Proposals document. 

 

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  • Proposals are submitted via the p1 proposal preparation tool. 
  • See the Late Breaking News for information that become available after the release of the Call for Proposals.
  • Information for proposal preparation, technical information, foreseen changes can be found in the Useful links for Period 115 webpage.
  • Please contact the ESO Science Operations Helpdesk for questions on the proposal preparation and submission.