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Usuda Star Dome

Japan · Asia
✦ 36.1929, 138.4293

Satellite imagery: Esri, Maxar, Earthstar Geographics

About this observatory

In Saku, in Japan's Nagano Prefecture, the Usuda Star Dome gives visitors a chance to look through a large telescope under some of the clearest skies in the country.

About Usuda Star Dome

Usuda Star Dome is a public observatory that takes advantage of Saku's reputation as one of the best places for astronomical observation in Japan, thanks to its high altitude, high rate of sunny days, and clear air.

Location & getting there

The observatory is located in Saku, Nagano, Japan, part of the wider Asia region, in a setting well suited to stargazing.

Visiting Usuda Star Dome

Visitors are able to look through the observatory's large telescope from 10 a.m. to 10 p.m.; it's worth checking the current schedule before travelling, as hours can change.

See your named star from here

With clear skies and a large telescope open long into the evening, Usuda Star Dome is a fitting place to seek out the coordinates of a star you've named. Name a star today, or browse the catalogue to see stars already dedicated.

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 in Saku, Nagano Prefecture, Japan.
Visitors can view the sky through the large telescope from 10 a.m. to 10 p.m., though it's best to confirm current hours before visiting.
Saku is considered one of Japan's best locations for astronomical observation due to its high altitude, frequent sunny days, and clear air.
Location
Nearby observatories
Usuda Star Dome, Saku, Nagano, Japan | Star-Register.eu