2027 Nakakawane Mitsuboshi Observatory Starry Sky: A Full-Day Course

This day centers on the Kawanehon Town Nakakawane Mitsuboshi Observatory (川根本町なかかわね三ツ星天文台) in Haibara District, Kawanehon Town, Shizuoka Prefecture. According to the town's official website, the facility was built to commemorate the area being ranked 2nd nationwide for clear starry skies in the Environment Agency's 'National Continuous Starry Sky Observation' survey. It features a 400mm-aperture Cassegrain reflecting telescope, and staff-guided stargazing sessions are held there. The observatory is open Saturdays and Sundays on a fully reservation-only basis, and is adjacent to the 'Wood House Orokubo' lodging facility. Please check the fees on the official website's 'Fees' page and make a reservation in advance before visiting.