26 May Fri, 2017
CNR: 2190
Jul. Day: 2457899.579699

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Welcome to website of Sector "SUN"!

   The sector "Sun" was founded in 1985 by Vladimir Dermendjiev as Solar Physics section in the Department of Astronomy (now Institute of Astronomy) at the Bulgarian Academy of Sciences in Sofia.
The Solar Physics Section disposes of Solar station in the National Astronomical Observatory - Rozhen at the Rhodopes mountains, near to the boundary between Bulgaria and Greece.
The number of scientific employees is 6.
The solar physicists cooperate with scientists and institutions within Bulgaria.

Solar Station

Location
Longitude: 24 44' 38''
Latitude: 41 41' 35''
Altitude: 1759 m

Equipment

In 1992-1993 a Solar Station with 8-meter dome at the Rozhen National Astronomical Observatory was built. It is equipped with a 15-centimeter photosphere telescope. A 15-centimeter Lio-coronagraph for the solar corona and prominences observations is under construction. The big altitude and daytime sky quality, both in terms of transparency and seeing, of observatory region allow observations both the solar disk and the solar corona.

Observations

Sunspot, active regions and white-light flare monitoring. Processing of photographic images with automated microdensitometer Joyce Loebl in NAO-Rozhen.


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