Go Astr☾nomy


U.S. Observatories

Observatories in California  (32)

There are 32 astronomical observatories in the state of California that feature professional telescopes used for astronomy research. Not all observatories may be open to the public. Please contact them for any public outreach programs. Also see Physics & Astronomy Colleges in California.





Unleash your inner astronomer! Your guide to amateur astronomy.