BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//EAU//Astro Calendar//ZH
BEGIN:VEVENT
UID:2026-09-25-planet-5@eau
DTSTAMP:20260916T185801Z
DTSTART;VALUE=DATE:20260925
DTEND;VALUE=DATE:20260926
SUMMARY:海王星衝 / Neptune at Opposition
DESCRIPTION:海王星距地球最近、整夜可見，需望遠鏡觀測，呈現淡藍色小圓盤。
END:VEVENT
END:VCALENDAR