2026 Teganuma Shinsui Plaza Starry Sky: A Full-Day Course

This is a day centered around Mizu-no-Yakata (水の館) at Teganuma Shinsui Plaza (手賀沼親水広場), located in Koyasanshinden, Abiko City. The Starry Sky Exploration Stargazing Session is held four times a year; participation fee is 100 yen (free for junior-high-school students and younger), capacity 50 people, and advance reservation by phone is required. After the astronomy class, telescope observation takes place on the rooftop; in bad weather only the planetarium is shown. Please check Abiko Citys official website for the schedule.