We will be closed to the public Tuesday, September 15th for our 60" telescope mirror cleaning. We will reopen September 16th. We apologize for any inconvenience.
Updated Wed 09 Sep 2026 4:24 pm PDT

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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