Contact us | Japanese

Contact us

Street & postal address

Inter-University Research Institute Corporation
National Institutes of Natural Sciences
National Astronomical Observatory of Japan
2-21-1 Osawa, Mitaka, Tokyo 181-8588, JAPAN

General inquiry

If you have any questions or comments with our services, you can contact us.

Weekdays: 9 a.m. -noon and 1 p.m. -5 p.m.
Weekends and holidays: closed.

  • E-mail
  • tosho(at)
    Please replace (at) with @ when sending e-mail.
  • FAX
  • 0422-34-3952
  • TEL
  • 0422-34-3953

Back to top