Old Observatory Leiden
The Old Observatory of Leiden is the oldest surviving university observatory in the world. While students of Leiden University receive lectures in the main part of the building, the visitor center in the basement and the telescopes on the building serve the general public. Here you will find information about visits to the Old Observatory's visitor center and the telescopes and its history, tours, events and societies.
JWST Universe: The Newest Space Telescope in the Oldest Observatory
Saturday 29 April we are launching a brand new exhibition about the James Webb Space Telescope. Join us on a journey across space to the beginning of time and discover the stunning images and incredible scientific discoveries JWST makes possible.Plan your visit