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About

The Astronomical Observatory of the University of Warsaw is one of the most distinguished astronomical institutions in Poland, with a history spanning nearly two centuries. Founded in 1825, its historic building is a beautiful classical edifice located within the Botanical Garden of the University of Warsaw. While its original observation domes are now purely decorative, the institution's scientific work is anything but. Today, the observatory is a vibrant and highly respected research institute, leading or participating in a wide array of international projects. Its reputation is particularly strong in the field of modern astrophysics, where it operates two large-scale, long-term sky surveys: OGLE (Optical Gravitational Lensing Experiment) and ASAS (All-Sky Automated Survey). These groundbreaking projects have been instrumental in the discovery of exoplanets and in research on dark matter, gravitational microlensing, and variable stars. Although the main observatory building no longer hosts active telescopes for research, the institute maintains a northern station in Ostrowik for educational purposes and, more importantly, a southern observing station at the world-renowned Las Campanas Observatory in Chile.

Warsaw Poland

Location

The Warsaw University Observatory is located at Aleje Ujazdowskie 4, situated between the beautiful Łazienki Park and the Warsaw Botanical Gardens in the heart of the city. This historic observatory, built in the early 19th century, is a fine example of classicist architecture and serves as a significant center for astronomical research and education in Poland. The building features elegant Ionic and Corinthian columns, large arched windows, and rooftops with domes and terraces, giving it both scientific function and architectural grandeur. Nearby, visitors can enjoy the lush greenery and cultural landmarks of Łazienki Park, including its famous Palace on the Isle, and explore the rich plant collections of the Botanical Gardens. The observatory itself remains active in astrophysical research, focusing on areas such as cosmology, stellar atmospheres, and galactic surveys. It plays a key role in international collaborations and houses renowned projects like the Optical Gravitational Lensing Experiment (OGLE). Its central location offers easy access to Warsaw’s urban amenities, blending scientific heritage with the city’s natural and cultural treasures.

Warsaw University Observatory

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