Štefánik Observatory
Bratislava Region
Štefánik's Observatory, located on Petřín hill in Prague, is a renowned astronomical observatory founded in 1928 by the Czech Astronomical Society and named after Slovak astronomer Milan Rastislav Štefánik. It occupies a historic site near the Hunger Wall, dating back to the 14th century. The observatory features three domes housing significant telescopes, including a remarkable double-refractor astrograph made by Zeiss in 1905, which has served as its main instrument since 1930. The building underwent extensive renovations in the 1970s due to World War II damage and modernization of its equipment and exhibitions in the early 2000s. It specializes in popularizing astronomy and natural sciences, offering public night sky viewings, daytime solar observations, tours of telescopes, and permanent exhibitions about astronomy and the observatory's history. The observatory also hosts lectures, exhibitions, and educational programs for youth and adults, enhancing its role as a cultural and scientific landmark in Prague.
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Astuce: Visitors are advised to visit during evening hours from October to March for planetary and distant object observations, and during daytime from April to September for solar observations, with weekend visits offering all-day access. Booking tickets in advance is recommended during peak times. Discounts are often available for students, seniors, and groups. The observatory also offers astronomy courses and public lectures, which can enrich the visiting experience.
Faits intéressants
- •The main telescope is a double-refractor astrograph made in 1905 by Zeiss and weighs approximately 5.5 tons.
- •Tomáš Masaryk, the first president of Czechoslovakia, financially contributed to the purchase of the main telescope.
- •The observatory preserves cosmetic damage from World War II on its main telescope as a historical artifact.
- •The observatory's eastern dome houses a 40 cm mirror telescope by Meade Instruments, installed in the late 20th century.
- •It offers public viewing of solar phenomena such as coronal mass ejections and solar prominences.
Histoire
The observatory was founded in 1928 by the Czech Astronomical Society after fundraising efforts beginning in 1917.
It was built on Petřín hill near the medieval Hunger Wall, a historic fortification from the 14th century.
The building sustained damage during World War II, leading to significant exterior renovations in the 1970s.
In the early 21st century, the equipment and exhibition spaces were modernized to enhance public engagement with astronomy.
Since 1979, Štefánik's Observatory has been part of the Prague Observatory and Planetarium network, contributing to educational and scientific activities in the city.
Guide du lieu
Main Dome with Zeiss Double-Refractor Astrograph1905
This central dome houses the observatory's primary instrument, a historic double-refractor telescope made by Zeiss in 1905. It is notable for its large size and historical significance, having been used continuously since 1930. Visitors can observe celestial objects through this telescope during public viewing sessions.
Western Dome with Maksutov-Cassegrain Telescope1976
Installed in 1976, this dome contains a mirror Maksutov-Cassegrain telescope made by Zeiss, used for advanced astronomical observations and public education.
Eastern Dome with Meade Instruments TelescopeLate 20th century
Equipped with a modern 40 cm mirror telescope by Meade Instruments, this dome supports solar and night sky observations, enhancing the observatory's capabilities for diverse astronomical phenomena.
Observation House with Retractable Roof
This facility enables flexible viewing conditions for both day and night observations, including solar phenomena and distant celestial objects. It also houses smaller telescopes and equipment for visitor use.
Permanent Exhibition and Educational Facilities
The observatory offers permanent exhibitions detailing the history of astronomy and the observatory itself, complemented by lectures, workshops, and an astronomy library accessible to visitors and students.