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User self-registration to cosmos has been temporarily disabled until the 15th of September of 2026. Please contact cheops-support@cosmos.esa.int if you want to register to the CHEOPS Guest Observers programme.

Proposal Submission - CHEOPS Guest Observers Programme

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Questions about CHEOPS or the GO Programme? Please email cheops-support@cosmos.esa.int and we will be happy to help!

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