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National Astronomical Observatory of Japan Hawaii Observatory

United States · North America
4,139 m elevationFounded 1997✦ 19.8255, -155.4760
National Astronomical Observatory of Japan Hawaii Observatory

Image: Wikimedia Commons

About this observatory

High on the summit of Mauna Kea in Hawaii, the National Astronomical Observatory of Japan Hawaii Observatory is home to the Subaru Telescope, one of the most capable optical telescopes on Earth.

About National Astronomical Observatory of Japan Hawaii Observatory

This facility is operated by Japan's National Astronomical Observatory (NAOJ) as part of its international observatory network, extending the organisation's reach to one of the best observing sites in the world.

History

The Hawaii Observatory was founded in 1997, established to give NAOJ access to Mauna Kea's exceptional atmospheric conditions for optical and infrared astronomy.

Telescopes & research

The site's major instrument is the Subaru Telescope, a large optical telescope that has contributed significantly to modern astrophysics from its position atop Mauna Kea.

Location & getting there

The observatory sits at an elevation of 4,139 metres on Mauna Kea, on the Big Island of Hawaii, United States - one of the highest and driest observing sites used by professional astronomers anywhere.

Visiting National Astronomical Observatory of Japan Hawaii Observatory

Mauna Kea's summit facilities are working research observatories with limited public access due to altitude and safety considerations. Check the NAOJ website and Mauna Kea visitor guidance before planning a visit.

See your named star from here

Few sites on Earth offer clearer skies than Mauna Kea. Observatories here have the tools to locate the exact coordinates of any star named through Star Register. Name a star or browse the star catalogue.

Opening hours

Opening hours and public-visit programs vary by season. Check Google Maps for current times before you travel.

Frequently asked questions
It is located at 4,139 metres elevation on Mauna Kea, on the Big Island of Hawaii, United States.
It was founded in 1997.
It is home to the Subaru Telescope, a major optical telescope operated by NAOJ.
Access to Mauna Kea's summit observatories is limited due to altitude and safety rules; check NAOJ and Mauna Kea visitor guidance before planning a trip.
Location
Nearby observatories
NAOJ Hawaii Observatory, Mauna Kea | Subaru | Star-Register.eu