The world's largest star register

Hirao Observatory

Japan · Asia
✦ 33.9541, 132.0942

Satellite imagery: Esri, Maxar, Earthstar Geographics

About this observatory

Hirao Observatory is an astronomical facility in Yamaguchi Prefecture, Japan, contributing to collaborative research through its dedicated optical telescope.

About Hirao Observatory

The observatory operates a 0.20-metre f/8 Ritchey-Chrétien telescope fitted with a CMOS camera and a focal reducer, a setup suited to imaging and photometric work as part of broader collaborative astronomical research.

Location & getting there

Hirao Observatory sits in Yamaguchi Prefecture, in western Japan, an area that offers darker skies than Japan's larger metropolitan regions.

Visiting Hirao Observatory

Public visiting details for Hirao Observatory are not widely published; check with the operating institution or local astronomy contacts before planning a trip.

See your named star from here

A Ritchey-Chrétien telescope like the one at Hirao is capable of resolving faint targets at precise coordinates, including a named star; find yours in our catalogue before you go.

Opening hours

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

Frequently asked questions
In Yamaguchi Prefecture, Japan.
A 0.20-metre f/8 Ritchey-Chrétien telescope with a CMOS camera and focal reducer.
Public visiting information isn't widely published; check with the operating institution before travelling.
Location
Nearby observatories
Hirao Observatory, Yamaguchi, Japan | Star-Register.eu