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- February 2026
Astronomical events will be added at a later date
| 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
- 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
- October 2023
【The 22nd】 Orionids meteor shower maximum
【27th】 later month(13th night)
【29th tomorrow morning】 partial lunar eclipse
Part of the moon is hidden in the Earth's shadow
The maximum eclipse will be around 5:14 tomorrow morning.