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
(2027A proposals due 02 October 2026)

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

[an error occurred while processing this directive] COO Index Page / v01Sept2026
Last updated: 01 September 2026 ACM/AFB