This page lists all content on our site that has been tagged with "Astronomical observatories". You may find a variety of content here, from books, to exhibitions, to events. Book Astronomical observations made at Hudson Observatory, latitude 41° 14' 37" north, and longitude 5h. 25m. 42s. west The maid in the moon Tychonis Brahe Astronomiæ instauratæ mechanica
