National Astronomical Observatory of Japan

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Access / Visiting

We, the National Astronomical Observatory of Japan (NAOJ), strive to be a research institute open to the public. Some of the facilities are open to the public to the extent that it does not interfere with research activities. In addition to the latest observational instruments, you can also see historical observational instruments. You can feel the history of astronomical observations connecting the past to the present.

Mitaka Campus

The Headquaters

Domestic and International Branches