Sofia University Astronomical Observatory
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| Location | Sofia, Bulgaria |
| Coordinates | 42°40′52.6″N 23°20′41″E / 42.681278°N 23.34472°ECoordinates: 42°40′52.6″N 23°20′41″E / 42.681278°N 23.34472°E Fatal error: The format of the coordinate could not be determined. Parsing failed. |
| Altitude | 570 m |
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| Website | observatory |
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The Astronomical Observatory of Sofia University "St. Kliment Ohridski" is the first astronomical observatory in Bulgaria and one of the first on the Balkan Peninsula.[1] The Observatory is also the first building constructed for the needs of Sofia University. It was established in 1897 at the initiative of Prof. Marin Bachevarov.[2] It is located in Borisova Gradina, near the "Maria Luisa" swimming pool. The primary purpose of the astronomical observatory is educational, serving the Department of Astronomy of the Faculty of Physics of Sofia University.[3]
History
The construction of the original building and the large dome was completed in the autumn of 1897 in the grazing land of the village of Slatina, far from the city lights. Today the building lies within one of the central city parks — Borisova Gradina. The first observational instrument used was the telescope of Dr. Petar Beron. In 1886 it was donated to the Bulgarian Literary Society by his nephew Stefan Beron, after which the Society made it available to the Higher School. The telescope was manufactured by the firm Merz in Munich during the second half of the 19th century, with a magnification of approximately 500 times. Today it is on display at the National Polytechnic Museum in Sofia.
In 1897, Prof. Marin Bachevarov acquired the first telescope on a permanent foundation in Bulgaria. It has an equatorial Grubb mount with a 6-inch objective. It was restored in 2004 and remains in use to this day.[3]
In 1910, observations of Halley's Comet were carried out by Prof. Bachevarov. At the same time, student A. Kunchev calculated the comet's ephemerides. Observations of the comet were also made by assistant Kiril Popov, who published them in two articles in Comptes Rendus of the French Academy of Sciences. Records have been preserved of observations and recalculations of eclipse conditions for the Sun and Moon, as well as occultations of stars by the Moon, made by Prof. Bachevarov.[3]
From 1928 to 1965, the director of the astronomical observatory was Academician Nikola Bonev. During this period the observatory was expanded and a lecture hall, a terrace for astronomical observations, and a second smaller dome were constructed. From 1942, by a decree published in the State Gazette, the observatory became the Time Service, a role it continued to fulfil until 1986.[3]
Gallery
References
- ↑ Kadiyska, Tanya; Blazheva, Elena; Savova, Mariana (2017). Encyclopedia Sofia. Trud Publishing House. p. 94. ISBN 978-954-8104-36-4. Search this book on
- ↑ "The Observatory of Sofia University "St. Kliment Ohridski" is one of the first in the Balkans". Sofia University. 17 September 2013. Retrieved 23 July 2017.
- ↑ 3.0 3.1 3.2 3.3 "Astronomical Observatory". Sofia University.
Category:Astronomical observatories in Bulgaria Category:Buildings and structures of Sofia University
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