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Two new LBV stars have been discovered in the Andromeda Galaxy. Since the middle of the last century, only four such objects had been known in this galaxy, they were discovered by American scientists Edwin Hubble and Allan Sandage with colleagues. Astronomers from SAO added two more stars to this list in 2015. More...

The March 20 total solar eclipse was visible over the North Atlantic and Arctic Oceans. The partial phases were observed in Europe, the western regions of Russia, Central Asia, the Middle East and partially in the North Africa. In the Special Astrophysical Observatory it was also partial with the Moon coverage of the Sun of less than 40%. More...

In January 2015 using the Mini-MegaTORTORA multichannel optical sky-monitoring system with subsecond temporal resolution, the observations of comet C/2014 Q2 (Lovejoy) and asteroid 357439 2004 BL86 were carried out. More...

Our recent observations with the Hubble Space Telescope (August 29, 2014) led to revealing a highly isolated dwarf spheroidal galaxy KKs 3 situated at a distance of 2.12±0.07 Mpc from the Milky Way. The dSph galaxy locates on the southern sky (RA=02h24m44.4s, Dec.=-73°30'51", J2000.0) and has a stellar mass about 1/10000 of the Milky Way mass. More...

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Update

Science:
09.02.15 The traditional annual competition conference of scientific and scientific-engineering papers of the Observatory staff members
09.02.15 I.M.Kopylov's grant 2015 and
S.E.Khajkin's grant 2015
09.02.15 BTA, a unique scientific installation. The report on the applied research in 2014
05.01.15 SAO Report 2013
Publications:
09.02.15 Astrophysical Bulletin, vol. 70, number 1 is published.
(Russian version)
Service:
01.04.15 Announce, news, discussion (restricted)
BTA-6m


RATAN-600
Radio telescope


Zeiss-1000
Telescope Zeiss-1000


Sun monitoring




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Last update: 30/03/2015