We are extending the closure of the Observatory through the weekend due to hazardous winter weather conditions. We hope to reopen to the public Monday 2/23 - please check back for updates. We regret any inconvenience.
Updated Wed 18 Feb 2026 11:41 am PST

Palomar Observatory is owned and operated by Caltech, and administered by Caltech Optical Observatories.

Palomar Observatory is a founding member of the Alliance of Historic Observatories.

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