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- March 2026
【3 days】 full moon(total lunar eclipse)
18:00 to 22:00 Total lunar eclipse observation event
Special business hours will be available during the observation event.
| Astronomical observation party | We carry out every day.(Closed on Tuesdays) High school students and above:800 yen for elementary and junior high school students:400 yen. It currently starts at 7:30 p.m. *If there are many people making reservations, such as on weekends, we will split the reservation into multiple sessions. *The time may change depending on the weather. |
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| You can see different celestial bodies in each season! | Please be sure to inquire about the weather at the observatory before coming. |
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Past calendar
- February 2026
Astronomical events will be added at a later date
- January 2026
【1 day】6:00 to 8:00 First sunrise viewing party
【Four days】 Quadrantid meteor shower peak
- December 2025
【14th】 Geminid meteor shower maximum
- November 2025
【5 days】 Full Moon/Super Moon
【12th】 Northern Taurus meteor shower maximum
- October 2025
10/6 Mid-Autumn Harvest Moon(Jugoya)
- September 2025
9/8 full moon(Corn Moon)
3 AM Total Lunar Eclipse(The beginning of food:Around 2:30 AM)
- August 2025
8/1 to 8/7 Star Week
- July 2025
7/4 Mercury's Greatest Eastern Elongation
- June 2025
【1 day】 Venus at Greatest Western Elongation
- May 2025
【6th】 We are open on substitute holidays.
【7 days】 Saturn's Rings Disappear
- April 2025
【5 days】 Evening - The Moon and Mars approach each other
- March 2024
Events will be added at a later date
- February 2024
【During the period】
“Midwinter kotatsu club” in progress
For more information, please check the announcement page.
- January 2024
【1 day】 New Year's Day Kanbokai
The parking lot and lawn will be open to the public from 6:00 to 8:00 in the early morning.
Enjoy the first sunrise of the new year.
The expected time for the first sunrise of the year at the observatory is around 7:20.
【Four days】 Maximum day of the Shibungid meteor shower
One of the three major meteor showers, the Shibungid meteor shower, will reach its peak.
- December 2023
【15th day】 The Geminid meteor shower is at its peak
【The 23rd】 The Ursa Minor meteor shower is at its peak
- November 2023
【The 13th】 Northern Taurus meteor shower maximum
【18th】 Maximum Leonids meteor shower