Hvar Observatory

The Hvar Observatory, part of the Geodetic school of the University of Zagreb, is an astronomical research observatory located above the city of Hvar (the observatory's dome is between 173 and 245 meters above sea level). Opened in 1972, research at the observatory focuses on solar physics, the photometry of stars, especially variable class Be stars, and star clusters and galaxies. A double telescope is used for solar observation; one telescope observes the photosphere (opening diameter 217 mm, focal length 2450 mm) and the other observes the chromosphere (opening diameter 130 mm, focal length 1950 mm) with a narrowband spectral filter. For stellar observation, a Cassegrain reflector with an opening diameter of 65 cm is used. Since 1997 a shared Austro-Croatian telescope is also used for stellar observation, which has a mirror diameter of 1 m and is also a Cassegrain reflector.[1]

The observatory is located above the city of Hvar on the southwest portion of Hvar island, on a steep hill 240 meters above sea level in the historic Napoleonic fortifications built by the French army during the Napoleonic wars at the beginning of the 19th century.

The observatory was founded in 1972 through the collaborative efforts of the Council for Science of the Socialist Republic of Croatia and the Astronomical Institute of the Czechoslovakian Academy of Sciences in Ondřejov, as one of the institutes of the Geodetic school of the University of Zagreb.[2]

Sources
  1. "Opservatorij Hvar Geodetskoga fakulteta Sveučilišta u Zagrebu | Hrvatska enciklopedija". www.enciklopedija.hr. Retrieved 2020-01-22.
  2. "Hvar Observatory: About". oh.geof.unizg.hr. Retrieved 2020-01-22.

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gollark: Which means that, after mine finishes executing, the next 5 RNG calls should return 0.
gollark: Er, the maximum being 5.
gollark: But *I* bruteforced all possible random seeds to find one which produced a string of 0s when used in `(random 50)` for the maximum number of iterations, and got one.
gollark: `(random-seed)` returns it I think.
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