Oude Sterrewacht (Old Observatory Leiden)
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Science museum in Leiden, Netherlands
Leiden Observatory is an astronomical institute of Leiden University, in the Netherlands. Established in 1633 to house the quadrant of Rudolph Snellius, it is the oldest operating university observatory in the world, with the only older still existing observatory being the Vatican Observatory.
Address: Sterrenwachtlaan 11, 2311 GW Leiden, Netherlands
Hours: Closed ⋅ Opens 11 AM Sat
Phone: +31 71 527 1891