The announcement solicits proposals for observations to be performed between 26 March 2021 and 25 March 2022. Scientists from institutes worldwide are invited to participate. All proposals shall be subject to peer review by the CHEOPS Time Allocation Committee.

The detailed schedule of milestones for this announcement, together with the software tools and documentation needed to prepare proposals, are available from:

Deadline for submission of Phase I observing proposals: 1 December 2020 (13:00 CET/12:00 GMT)