# Palomar

*Observatory*

Palomar Observatory, California

| | |
| --- | --- |
| Where it is | 33.3600° N, 116.8600° W |
| State | US |
| What is done there | optical observatory |
| Main mirror | 5.1 m |
| Still working | yes |

Test ranges, observatories and ground stations are a hand-picked list kept in this project rather than a published catalogue: no catalogue answers which of the world's thousands of observing sites belong on a map of it. The article below is what lets the choice be argued with.

## What it is

The Palomar Observatory is an astronomical research observatory in the Palomar Mountains of San Diego County, California, United States. It is owned and operated by the California Institute of Technology (Caltech).

## Elsewhere

- This place on the live map: https://www.orbitalmap.space/?at=33.36,-116.86
- The article this row is vouched by: https://en.wikipedia.org/wiki/Palomar_Observatory
- Every object: https://www.orbitalmap.space/o/
- What this site is and what it reads: https://www.orbitalmap.space/llms.txt

## Where this came from

Compiled 2026-09-17. Selected by hand for this project. Description from Wikipedia (en). Description: CC BY-SA 4.0.