Caltech Optical Observatories

Caltech Optical Observatories (COO) serves the Caltech astronomy community in the administration of Palomar Observatory and Caltech participation at Keck Observatory. COO also develops advanced optical and near-IR instrumentation for these and other observatories.

COO Proposal Solicitation Materials
(2026B proposals due 01 April 2026)

• Proposal Solicitations
• Remote Observing Facilities
• Sponsored Events
• Cahill Logistics
• TOO Observations
• Feedback Web Interface
• TAC Site (private)
• Instrumentation Development Group

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COO Index Page / v02Mar2026
Last updated: 02 March 2026 ACM/AFB