Due to short staffing and the upcoming holiday, Palomar Observatory will be closed to the public from Saturday November 21 to Monday December 1. We regret any inconvenience.
Updated Wed 19 Nov 2025 3:30 pm 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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