| Exhibitions opening hours | Tuesday ~ Sunday | 10:00 ~ 17:00 |
| Star watching hours | Friday ~ Sunday | 19:00 ~ 22:00 |
| Star watching hours for groups (need reservation) | Wednesday & Thursday | 19:00 ~ 22:00 |
| Exhibitions opening hours | Tuesday ~ Sunday | 10:00 ~ 16:00 |
| Star watching hours | Friday ~ Sunday | 18:00 ~ 21:00 |
| Star watching hours for groups (need reservation) | Wednesday & Thursday | 18:00 ~ 21:00 |
Highlights tours: Saturday & Sunday & Holiday, 14:00, duration about 40minutes, free of charge.
Daytime starwatching: Saturday & Sunday & Holiday, 11:30 ~ 12:00, free of charge. In case of bad weather, "Four Dimensional Digital Universe - Mitaka" will be performed instead.
If it is cloudy, rainy or snowy, star watching will not be held.
300 yen for adults, 200 yen for college & high school students. Admission free for kids.