June 5, 2017
January 14, 2016
March 14, 2015
Eclipse on March 20, 2015 (partial for Bulgaria).
Read more (BG)
NAO Rozhen supports the European astronomy contest “Catch a Star”
The goal of the European Astronomy Contest Catch a Star is to stimulate the creativity and independent work of students from secondary schools, to strengthen and expand their astronomical knowledge and skills.
June 13, 2014
8 June 2014 is an Open day at the Rozhen National Astronomical Observatory
The discovered at NAO Rozhen cataclysmic star 2MASS J01074282 4845188 is an unique object with rather extreme characteristics
October 26, 2012
A team of Bulgarian astronomers found new structures in a number of active galaxies
A team of Bulgarian astronomers found structures not previously reported that are related to the fueling of active galactic nuclei. There were used multi-year observational data of tens of galaxies obtained at the 2-m telescope of Rozhen NAO in the course of a project on active galaxies
Spectro-polarimetry of the comet C/2009 P1 (Garrad) with new observing mode of the 2-channel focal reducer (FoReRo2) at the 2-m telescope.
September 16, 2011
Opening of the Exhibition “30 Years Rozhen NAO” in town of Smolyan:
Photos from the opening of the Exibition “30 years Rozhen NAO” (BG, PDF 2.35 MB);
Exhibition ”30 years Rozhen NAO” (BG, PDF 6.79 MB).
The second “Bulgarian” nova-like cataclysmic star was discovered at NAO-Rozhen
Observations at the National Astronomical Observatory (NAO) Rozhen at the beginning of 2011 revealed an unusual light variability of the star 2MASS J01074282+4845188. Their analysis led to the conclusion that it is a cataclysmic star. Thus it turns out that the second “Bulgarian” cataclysmic star has been discovered.
August 3, 2011
June 7, 2011
June 6, 2011
May 31, 2011
May 23, 2011
In 2011 the National Astronomical Observatory Rozhen will celebrate its 30th Year Anniversary. To commemorate this milestone the Institute of Astronomy, Bulgarian Academy of Sciences organizes an international conference. The conference will be held on September 26-29 in Smolyan. It will be dedicated to the unique role of the National Astronomical Observatory as a center for research and education in astronomy, and as a key element of the national research infrastructure.
Total Lunar Eclipse of June 15, 2011 (with map, BG)
May 15, 2011
Sixth National Scientific Conference of the Bulgarian Astronomical Society, Astronomical Observatory town of Stara Zagora, May 13 - 15, 2011.
January 30, 2011
January 5, 2011
Binary star with the shortest “year” was discovered at NAO-Rozhen - GSC 2314 0530
Astronomers at the National Astronomical Observatory Rozhen discovered an outburst in the brightness of a young stellar object. This is the first in the world registration of the brightness increase during the initial phase of such an outburst.
May 23, 2010
May 22, 2010
Institute of Astronomy, Bulgarian Academy of Sciences appeals for urgent action in support of the Rozhen National Astronomical Observatory.
An appeal for salvation of the National Astronomical Observatory is published in the Bulgarian site for petitions www.bgpetition.com. The English version of the appeal can be found here (PDF 49 KB).
October 5 - 11, 2009
See also Photogallery for this School
January 23, 2009
July 12 - August 3, 2008
October 28, 2007
October 27, 2007