- Please refrain from visiting from prefectures where a state of emergency or similar declaration has been declared.
- Those who wish to enter the observatory are required to ware a mask, take their body temperature at the reception desk and submit an application form.
- The maximum number of people allowed to enter at one time is 50.
- Evening visitors must make a reservation.
Opening Hours
- March ~ October
- Exhibitions : 10 am ~ 5 pm
Stargazing : 7 pm ~ 10 pm - November ~ February
- Exhibitions : 10 am ~ 4 pm
Stargazing : 6 pm ~ 9 pm
Days open and closed
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | 31 |
- Open day and night
- 8-10, 15, 16, 22, 23, 29, 30
- Open during the day, only for groups at night
- 6, 7, 12-14, 19-21, 26-28
- Open during the day, closed at night
- 18, 25
- Closed
- 1-5, 11, 17, 24, 31
150-cm Reflector Telescope
- Specifications of telescopes.
- Stargazing parties.
- Research & Education (in Japanese)
Exhibitions
- Exhibitions
- Annual events calendar (in Japanese)
Sky monitor
Images of web camerasTweets
GAO official twitter
Photo Gallery