At the Shimosato Hydrographic Observatory you can find a lot of starry pictures used to obtain geodetic data for compiling nautical charts using a laser beam! 🌟🌊
Download + build your own free papercraft Shimosato Hydrographic Observatory building (at Shimosato Hydrographic Observatory):
(download instructions: click the blue "型紙ダウンロード" link just below the navigation at the top)