As announced in the Newsletter June 2024 and discussed in more detail in the Messenger n. 193, ESO has been planning to move the Call for Proposals to a Yearly Cycle in the course of 2025. The plan has been discussed and consolidated with the Scientific Technical Committee and the Users Committee. Following an intense preparatory phase and after the positive outcome of an internal readiness review, the Director General has approved the move to the Yearly Cycle in P117, for observations starting in May 2026. More details will be provided in the Call for Proposals to be released in mid August.
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Deployment of the Yearly Cycle in ESO Period 117
Published: 04 Jul 2025
