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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...

SS433 is a close binary system, one star is a supergiant, a second one is a black hole. The supergiant's matter overflows to the neighbouring black hole and floods the hole with a powerful mass flux: 6 millions of billions tons per second (that is one Earth mass for 11 days). Even a black hole cannot accept such an enormous mass flux, a supercritical accretion disk appears More...

The variability of the spectrum of the optical component of the IR-source IRAS01005+7910 was discovered for the first time in the BTA spectra [1]. Long-term monitoring of the object was carried out during 2002-2013 with a high spectral resolution (R=60000). More...



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
09.02.15 Astrophysical Bulletin, vol. 70, number 1 is published.
(Russian version)
05.03.15 Announce, news, discussion (restricted)

Radio telescope

Telescope Zeiss-1000

Sun monitoring

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Last update: 04/03/2015