Seminars at the Astronomical Observatory in Sofia

Archives

Number	Date	Theme	Lecturer
No. 127 Mini-symposium No.4	27.01.2011 Thursday 15:00	Discover and study of the cataclysmic star KR Aur: 50 years investigations of Bulgarian scientists Organizers: V. Popov, S. Boeva; Chairmen: A.Antov
		Discover and history of the investigations	M.Popova, V.Popov, A. Antov, S.Boeva, IA and NAO, BAS
		Short communications	R. Bogdanovski, R. Bachev, E.Semkov, G.Latev, IA and NAO, BAS
No. 128	13.04.2011 Wednesday 16:30	5th April Joke Seminar	Chairman: Georgi Latev (DA, SU), Ljubomir Iliev (IA, BAS) and Petko Nedialkov (DA, SU)
No. 129	12.05.2011 Tuesday 16:30	An introduction into the fractal analysis of broken curves and time serries	Prof. Tsvetan B. Georgiev, New Bulgarian University; Institute of Astronomy and NAO
No. 129	12.05.2011 Tuesday 16:30	Fractal analysis of the flickering of the cataclysmic star KR Aurigae	Prof. Tsvetan B. Georgiev et al, Institute of Astronomy and NAO

Number	Date	Theme	Lecturer
No. 118	06.01.2010 Wednesday 16:30	Infrared surveys of galactic star clusters	Dr.Valentin D. Ivanov, European Southern Observatory, Chile
No. 119	27.01.2010 Wednesday 16:30	Photometrical investigations of pre-main sequence stars of type FU Orionis and EX Lupi	Stoyanka Peneva, PhD student, Institute of Astronomy, BAS
No. 120	07.04.2010 Wednesday 16:30	4-th April seminar	Chairman: Petko Nedialkov, SU
No. 121	26.05.2010 Wednesday 16:30	Short-term flux and colour variations in low-energy peaked blazars	Mrs. Bindu Rani, Aryabhatta Research Institute of Observational Sciences Manora Peak, Nainital, India
No. 121	26.05.2010 Wednesday 16:30	Herschel Space Observatory: One year operation	Dr. Ivan Valchanov, Herschel Science Centre, European Space Agency, Madrid, Spain
No. 122	16.06.2010 Wednesday 16:30	A meeting with the Bulgarian writer Georgi Konstantinov.	-
No. 123	29.09.2010 Wednesday 16:30	VISTA Variables in the Via Lactea (VVV) public near-infrared survey with Bulgarian participation.	Dr. Radostin Kurtev, Profesor jornada completa de la Universidad de Valparaiso, Chile
No. 124	03.11.2010 Wednesday 16:30	Investigations of MS short-period eclipsed binary stars.	Mgr. Dinko Dimitrov, IA and NAO, BAN
No. 125	11.11.2010 Wednesday 16:30	Investigations of the peculiar brightness changes during the classical nova outburst.	Dr. Ernest Swierczynski, Center for Astronomy, Torun University "N.Kopernik", Poland
No. 126	15.12.2010 Wednesday 16:30	Gamma-Ray Bursts and optical afterglows in the Fermi era	Drejc Kopac, PhD Student, University of Ljubljana, Faculty of Mathematics and Physics

Number	Date	Theme	Lecturer
No. 106	18.03.2009	Radio-emission from ultra faint stars	Dr. Antoaneta Antonova, Assistant Professor, Department of Astronomy, SU
No. 107	10.04.2009	Westerborg ultra-deep HI imaging of galaxy clusters at z=0.2	MS Boris Deshev, PhD Student, Kapteyn Astronomical Institute, The Netherlands
No. 108	15.04.2009	April Joke Seminar 3	Chairman: Vassil Popov (IA,BAS)
No. 109	29.04.2009	The Solar activity in the transition from super-centurial maximum to super-centurial minimum (1975-2008): Behaviour in the X-ray and megahertz ranges	Dr. Boris Komitov, Senior Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 110	20.05.2009	The project AIDA of the European Virtual Observatory: infrastructure and tools for astronomical studies	MS Ana Borisova, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 111	27.05.2009	Modeling of relativistic jets by explicit solution of the Teukolsky Master Equation	Dr. Plamen Fiziev, Associated Professor, Department of Theoretical Physics, SU
No. 112	03.06.2009	Observations of early optical afterglows of GRBs with 2 m robotic telescopes	Dr. Andreja Gomboc, Associated Professor, University of Lyubljana
No. 113	17.06.2009	Contemporary status of the theory and observations of the black holes	Dr. Plamen Fiziev, Associated Professor, Department of Theoretical Physics, SU
No. 114	24.06.2009	Multiband morphological analysis of five galaxies from the ALHAMBRA survey (MS thesis in the University of Valencia)	MS Jose Concejo, Candidate PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 115	23.07.2009	Digitalizing of astronomical photographs with contemporary flatbed scanners	Dr. Renate Budell, Researcher, Westfaelische-Wilhelms Universitaet, Muenstere, Germany
No. 116	01.12.2009 Tuesday 16:30	Observations of transits of extrasolar planets in Torun.	Ms. Wienczyslaw Bykowski, Astronomical Center, Torun
No. 116	01.12.2009 Tuesday 16:30	Astronomical virtual observatory and its scientific challanges	Dr. Petr Skoda, Ondrzejov Astronomical Institute, Prague
No. 117	15.12.2009 Tuesday 16:30	The formation and evolution of dwarf elliptical galaxies: Clues from their stellar populations.	Dr. Mina Koleva, Instituto de Astrofísica de Canarias, Spain
No. 117	15.12.2009 Tuesday 16:30	Status and scientific output of the big telescope Gemini South: View on the inside	Dr. Peter Pessev, Gemini South Observatory, Chile

Number	Date	Theme	Lecturer
No. 95	22.01.2008	Elementary particles and their interactions in the Our Universe	Dr. Mihail V. Chizhov, Senior Researcher, Center for Space Research and Technologies, SU
No. 96	06.02.2008	Visual and virtual astronomical observations and a poetry meeting	Milcho Kirilov Tsvetkov (IA, BAS), Member of the Council of the EAS
No. 97	20.02.2008	Modern surveys of galaxies	MS Yuliana Goranova, PhD Student, Institute of Astronomy and NAO, BAS Astronomical Observatory at the Munich University
No. 98	17.04.2008	SWIFT: The lilliputan spectrometer	Dr. Etienne Le Coarer, Senior Researcher, Vice-president, University of Grenoble
No. 99	21.05.2008	The modern theory of the star formation and the initial mass function	Dr. Todor Velchev, Assistant Professor, Department of Astronomy, SU
No. 100	04.06.2008	Increasing many times the resolution of the ground astronomical observations by means active an adaptive optics	MS Peter Pessev, PhD Student, Member of the Scientific Staff of Gemini South telescope
No. 101	18.06.2008	Preliminary exploring of the small radio telescope SRT	Ms. Philipa Petkova, BC Stdent, Faculty of Physics, SU
No. 102	22.10 2008	Active galactic nuclei with low X-ray extinction	MS Georgi P. Petrov, PhD Student, Department of Astronomy, SU
No. 103	29.10 2008	The reason for search and study of variable stars in open clusters	MS Lukasz Bukowiecki, PhD Student, Astronomical Center, Torun University
No. 104	26.11.2008	Synchronized telescope network	Eng. Oleg Svyatogorov, Senior Engineer, Main Astronomical Observatory, Kiev
No. 105	17.12.2008	Binary central stars in planetary nebulae	MS Marchin Hayduk, Researcher, Astronomical Center, Torun University

Number	Date	Theme	Lecturer
No. 72	17.01.2007	Some applications of the international virtual observatory	Dr. Milcho K. Tsvetkov, Senior Researcher, Institute of Astronomy and NAO, BAS
No. 73	24.01.2007	Photometrical studying of comets with the 50 cm Schmidt telescope of the Rozhen NAO	MS Andon Kostov, PhD Student, Institute of Astronomy and NAO, BAS
No. 74	31.01.2007	Optical monitoring of the high-redshift radio-quiet quasar Q 2203+292	MS Evgeni Ovcharov, Assistant Professor, Department of Astronomy, SU
No. 75	14.02.2007	The astronomy and the big international observatories in Chile	Dr. Radostin Kurtev, Profesor jornada completa de la Universidad de Valparaiso
No. 76	21.02.2007	Investigations of the Bulgarian ancient calendars	MS Veselina Koleva, Researcher, Institute of Astronomy and NAO, BAS
No. 77	28.02.2007	Unusual variable star V 838 Mon: the next big mystery of the Universe	Dr. Dimitar Kolev, Senior Researcher, Institute of Astronomy and NAO, BAS
No. 78	07.03.2007	Foundation of the modeling of the infrared emission of simple stellar populations	MS Petar Pessev, PhD Student, Department of Astronomy, SU Space Telescope Scientific Institute, Baltimore
No. 79	14.03.2007	The contribution of the dust structures to the emission of the cometary coma	MS Galin Borisov, PhD Student, Institute of Astronomy and NAO, BAS
No. 80	21.03.2007	Wide field photometry with semi automatic pipe-line in Piwnice Observatory	Dr. Gracian Maciejewski, Researcher, Center for Astronomy, Torun University
No. 81	28.03.2007	Solar variations in the last 2200 years: solar spots and solar wind	Dr. Boris Komitov, Senior Researcher, Institute of Astronomy and NAO, BAS
No. 82 Mini-symposium No.3	04.04.2007	Coordination of the observations of unusual objects	Evgeni Semkov (IA, BAS), Rumen Bachev (IA, BAS), Evgeni Ovcharov (DA, SU), Antoniya Valcheva (DA, SU), Alexander Antov (IA, BAS), Tanyu Bonev (IA, BAS)
No. 83	11.04.2007	April Joke Seminar	Petar Kunchev (DA, SU), Galin Borisov (IA, BAS), Tanyu Bonev (IA, BAS), Tsvetan Georgoev (IA, BAS), Petko Nedialkov (DA, SU), Agop Uzunbohosjan
No. 84	18.04.2007	Megalithic astronomical observatory Kokino in the north-east part of Macedonia	MS Giore Tsenev, Skopie Planetarium
No. 84	18.04.2007	Archeological investigation of the megalithic rock complex Kokino	MS Iovitsa Stankovski, Historic Museum, Kumanovo
No. 85	25.04.2007	Spectroscopic observations of the natural gamma-background	Dr. Ludmil Tsankov, Associated Professor, Head, Department of Nuclear Technique and Nuclear Energetics, SU
No. 86	31.05.2007	Investigations of the cold and dust Universe with the Hubble Space Telescope	Dr. Ivan Valchanov, Researcher, ESA, Hershel Scientific Center, Spain
No. 87	07.06.2007	H-alpha spectroscopy of the Be – X-ray binary system and galactic micro-quasar LSI +61 303	MS Kirial Stoyanov, PhD Student, Institute of Astronomy and NAO, BAS
No. 88	13.06.2007	3 D spectroscopy projects in Potsdam	Dr. Petra Boehm, Researcher, Astrophysical Institute, Potsdam
No. 89	24.09.2007	Migration of small bodies in the SS: Volatiles delivery to the inner planets	Dr.Sc. Mikhail Yakovlevich Marov, Professor, Corresponding Member of the Russian AS Keldish Institute of Applied Mathematics
No. 90	25.09.2007	Modeling of proto planetary accretion disks	Dr.Sc. Mikhail Yakovlevich Marov, Professor, Corresponding Member of the Russian AS on 25.09.2007, In the Institute of Space Research , block 29
No. 91	17.10.2007	Astronomical applications of extremely robust regressions Based on the least sum of trimmed squares	Dr.Sc. Tsvetan Georgiev, Senior Researcher, Institute of Astronomy and NAO, BAS
No. 92	31.10.2007	Rotational velocities and synchronization in symbiotic stars	Dr. Radoslav Zamanov, Senior Researcher, Institute of Astronomy and NAO, BAS
No. 93	13.11.2007	Space structure and dynamical evolution of the open star clusters	Dr. Gracjan Maciejevski, Researcher, Center of Astronomy, Torun University
No. 94	19.12.2007	Magellanic Clouds as a laboratory for studying of stellar evolution	MS Peter Pessev, PhD Student and Assistant Researcher Space Telescope Science Institute, Baltimore

Number	Date	Theme	Lecturer
No. 39	05.01.2006	Science perspectives foe 3D spectroscopy	MS Mina Koleva, PhD Srudent, Department of Astronomy, SU Centre de Reshershe Astronomique de Lion
No. 39	05.01.2006	Photo-history of the Kyrdzhaly Summer School	Dr. Ivanka Stateva, Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 40	12.01.2006	Black holes	Dr. Stoycho Yazadjiev, Assistant Professor, Department of Theoretical Physics, SU
No. 41	19.01.2006	The stellar populations of the low metallicity galaxy NGC6822: a study with HST and VLT imaging and spectroscopy	MS Boryana Efremova, PhD Student, Department of Astronomy, SU John Hopkins University, Baltimore
No. 42	26.01.2006	The solar protuberances	Dr. Petar Duchlev, Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 43	02.02.2006	Ultra high energy cosmic rays: the enigma of the highest energy particles of the nature	Dr. Hristofor P. Vankov, Senior Researcher, Physics and Astrophysics Lab, Institute for Nuclear Research and Nuclear Energy, BAS
No. 44	09.02.2006	NEON summer school in observational astronomy, Calar Alto, 7-21.08.2005	MS Antoniya Valcheva, PhD Student, Department of Astronomy, SU
No. 44	09.02.2006	AGB stars and the ratio of the number of carbon rich and oxygen rich stars (C/M) in the irregular dwarf galaxy WLM
No. 45	16.02.2006	Monte-Karlo simulations of comet jets	MS Galin Borissov, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 46	23.02.2006	Cataclysmic stars of “anti-nova” type (VY Scl). Deep minimum of the cataclysmic star KR Aur.	MS Svetlana Boeva, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 47	02.03.2006	My visit of the summer school in 2005	MS Ekaterina Georgieva, PhD Student Institute of Astronomy and Rozhen NAO, BAS
No. 47	02.03.2006	My visit of Belgium
No. 48 Mini-symposium No.1	09.03.2006	The small radio telescopes in the Solar system studies	Tsvetan Georgiev (IA, BAS), Petar Duchlev (IA, BAS), Ivan Parov (DA, SU), Tanyu Bonev (IA, BAS), Boris Komitov (IA. BAS)
No. 49	16.03.2006	Gamma-ray bursts and perspectives for their investigation in Bulgaria.	Dr. Evgeni Semkov, Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 49	16.03.2006	The Skinakas observatory in Crete, Greece
No. 50	06.04.2006	The Sun, the climate and the mankind history	Dr. Boris Komitov, Senior Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 51	13.04 2006	April Joke Seminar	Valery Golev (DA, SU), Tsvetan Georgiev (IA, BAS), Petko Nedialkov (DA, SU), Hristofor Vankov (INRNE, BAS), Petar Kunchev (DA, SU)
No. 52	20.04.2006	Study of long-period variable stars on the Southern Survey of the Bamberg Observatory	MS Ana Borisova, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 53 Mini-symposium No.2	27.04.2006	Abroad observations of the solar eclipse on 29.03.2006	Niola Petrov (IA, BAS), Ivanka Stateva (IA, BAS), Galin Borisov (IA, BAS), Yavor Shopov (Phys. Faculty, SU)
No. 54	04.05.2006	Distribution of the helium branch stars in the globular clusters from UV observations	Dr. Haralambi Markov, Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 55	16.05.2006	Search for planets arround red giant stars	Dr Andrjej Niedzielski, Professor, Head, Departament of Astrophysics, Torun University
No. 56	18.05.2006	The rotation of the comets	MS Galin Borisov, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 57	01.06.2006	Rhythms of the cosmos and cadences of the poetry	MS Boiko Zlatev, PhD Student in mathematics, University of Alberta, Canada
No. 58	08.06.2006	Digital processing of the images of comets	Dr. Tanyu R. Bonev, Senior Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 59	15.06.2006	Sample estimates of multidimensional second-order statistics with astronomical applications	Dr. Oleg Yordanov, Senior Researcher, Institute of Electronics, BAS American University, Blagoevgrad, Bulgaria
No. 60	13.07.2006	Digital modeling of interacting binary systems	Dr. Dmitry Bissikalo, Senior Researcher, Vice President, Institute for Astronomy, Russian AS, Moscow
No. 61	26.09.2006	Data simulation and ring-current coupled models for the understanding the relativistic electron radiation belt dynamics – the Los Alamos DREAM project	Dr. Reiner Friedel, Senior Researcher, Los Alamos National Laboratory, New Mexico
No. 62	04.10.2006	The stars of the type λ Воо	Dr. Ilian Kh. Iliev, Senior Researcher, Institute of Astronomy and NAO, BAS
No. 63	11.10.2006	Astronomical photo-electric investigations	MS Dinko Dimitrov, PhD Student, Institute of Astronomy and NAO, BAS
No. 64	18.10.2006	Theory of the heating of the solar corona	MS Yana Maneva, PhD Student, Department of Theoretic Physics, SU
No. 65	02.11.2006	The eruptive stars of type "Nova" in the galaxy M 31	MS Ivailo Stanev, PhD Student, Department of Astronomy, SU
No. 66	15.11.2006	Physics of the active galactic nuclei	Dr. Rumen Bachev, Researcher, Institute of Astronomy and NAO, BAS
No. 67	22.11.2006	Space structure of globular and open star clusters in the Galaxy	Dr. Zvezdelin Peykov, Associated Professor, University of Architecture, Building and Geodesy, Sofia
No. 68	30.11.2006	Scientific programs of small telescopes on Terscol Observatory	MS. Maxim Andreev, Researcher, Main Astronomical Observatory, Ukraine
No. 68	30.11.2006	Scientific programs of the Terskol Observatory, Ukraine	Dr. Oleksandr Sergeev, Senior Engineer, Main Astronomical Observatory, Ukraine
No. 69	06.12.2006	Solar eclipses and the solar physics development	MS Ioana Kokotanekova, PhD Student, Institute of Astronomy and NAO, BAS, Haskovo Observatory
No. 70	13.12.2006	Investigations of the eruptive activity of the binary star Z And	Dr. Nikolai Tomov, Senior Researcher, Institute of Astronomy and NAO, BAS
No. 71	20.12.2006	Investigations of galaxies in the Lion CRA	Mina Koleva, PhD Studebnt, Department of Astronomy, SU

Number	Date	Theme	Lecturer
No. 06	13.01.2005	Star complexes in the nearby galaxies	Dr.Sc. Georgi R. Ivanov, Professor, Head, Department of Astronomy, SU
No. 07	20.01.2005	Cleaning and smoothing of astronomical images	Dr.Sc. Tsvetan B. Georgiev, Senior Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 08	27.01.2005	Processing of digital images	Dr. Eng. Petia E. Pavlova, Researcher, Institute of Electronics, BAS, Plovdiv Branch of the Sofia Technical University
No. 09	03.02.2005	The new cosmology (2000-2003), Part 1	Dr. Petar Kunchev, Associated Professor, Department of Astronomy, SU
No. 10	10.02.2005	The new cosmology (2000-2003), Part 2	Dr. Petar Kunchev, Associated Professor, Department of Astronomy, SU
No. 11	17.02 2005	Robotic telescopes	MS Georg Tuparev, Businessmen, Head, Tuparev Technologies, The Netherlands
No. 12	24.02.2005	Interferometric observations: from radio to optical wavelengths	Bc. Joerg-Uwe Pott, MS Student, European Southern Observatory, Munchen
No. 13	10.03.2005	Dust coma and tail of the comets: observations and models	Dr. Tanyu R. Bonev, Senior Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 14	17.03.2005	Surface photometry of active galaxies	MS Liuba Slavcheva-Mihova, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 15	24.03.2005	Hot subdwarfs: pulsations, binarity, magnetic properties	Dr. Simon O’Tool, Senior Researcher, Remeis Observatory, Australia Bamberg University of Erlangen, Nuremberg, Germany
No. 16	31.03.2005	Barrio-genesis in the Early Universe	MS Toni Valchanov, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 17	14.04.2005	Radio-astronomy problems for the MS students in the Chalmers University of Technology in Sweden	MS Eng. Lazar J. Ilchev, Candidate of PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 18	28.04.2005	Investigations of variable stars with small masses	Dr. Evgeni Semkov, Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 19	05.05.2005	CCD cameras and systems	Eng. Hristo Lukarski, Researcher, Space Research Institute, BAS
No. 20	12.05.2005	Method of the synthetic spectra: an application to the Am stars	Dr. Ivanka Stateva, Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 21	19.05.2005	Introduction in the helio-physics	MS Momchil Dechev, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 22	26.05.2005	Globular clusters in elliptical galaxies: investigation with VLT-U2	BC Maria Lyubenova, MS Student, Department of Astronomy, SU European Southern Observatory, Garching
No. 23	02.06.2005	Radial velocities of the Am star HD 434	MS Ekaterina Georgieva, PhD Student, Institute of Astronomy and Rozhen NAO, BAS, Sofia
No. 24	09.06.2005	Photometry and spectroscopy of the star 33 Tau	MS Dinko Dimitrov, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 25	16.06.2005	Brown dwarfs: up close and physical	MS Antoaneta Antonova, PhD Student, Armagh Observatory, Nordth Ireland
No. 26	23.06.2005	The mission "Deep Impact" on 04.07.2005: Observation "In situ" and from the Earth	Dr. Tanyu Bonev, Senior Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 26	23.06.2005	My travel in the Himalaya mountain	MS Oleg Vasilev, Businessman, Sofia
No. 27	30.06.2005	Optical spectra of the quasars in the context of Eigenvector-1"	Dr. Radoslav Zamanov, Senior Researcher, Institute of Astronomy and Rozhen NAO, BAS, Padova AI
No. 28	07.07.2005	The MUNICS-Deep project: Galaxy evolution at redshifts 1 < z < 2	MS Yuliana Goranova, PhD Student, International Max-Planck Research School, Max-Planck-Institut fuer Extraterrestrische Physik, Garching
No. 29	11.07.2005	Extragalactic globular cluster systems as probes for galaxy formation and evolution	MS Iskren Georgiev, PhD Student, Sternwrate der Universitat Bonn
No. 30	06.10.2005	The big international observatories in Chile	Dr. Radostin Kurtev, Associated Professor, Department of Astronomy, SU Universidad de Valparaiso
No. 31	20.10.2005	Virtual world observatory – present and future	Dr. Milcho K. Tsvetkov, Senior Researcher, Institute of Astronomy and Rozhen NAO, BAS Member of the Council of the European Astronomical Society
No. 32	03.11.2005	Solar coronal mass ejections	MS Kostadinka Koleva, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 33	10.11.2005	International program for investigation of single late giant stars	Dr. Renada Konstantinova-Antova, Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 34	17.11.2005	Mechanism of lighting of the quasars and the problem with the angular momentum in the cosmogony	Dr. Todor Mishonov, Associated Professor, Department of Theoretical Physics, SU
No. 35	01.12.2005	Limitations on the neutrino oscillations in the cosmological nucleo-synthesis	MS Mariana Panayotova, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 36	15.12.2005	Cataclysmic binary stars. Photometry of TT Ari	MS Silvia Pavlova, Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 37	15.12.2005	Studies of star clusters in the Magellanic Clouds using infrared observations	MS Peter Pessev, PhD Student, Department of Astronomy, SU Space Telescope Science Institute, Baltimore
No. 38	22.12.2005	Structure and stability of the stars	Dr. Stoycho Yazadjiev, Assistant Professor, Department of Theoretical Physics, SU

Number	Date	Theme	Lecturer
No. 01	10.10.2004	Discovery of extended stellar halos of nearby galaxies in the archive frames of the Hubble Space Telescope	Dr.Sc. Nikolai A. Tikhonov, Senior Researcher, Special Astrophysical Observatory, Russian AS, Nizhny Arkhyz, Karachaevo-Cherkezia
No. 02	18.11.2004	Models of the brightness profiles of the galaxies	Dr.Sc. Tsvetan B. Georgiev, Senior Researcher, Institute of Astronomy and Rozhen NAO, BAS
No. 03	02.12.2004	Introduction in the fractals	Dr. Oleg Yordanov, Senior Researcher, Institute of Electronics, BAS American University, Blagoevgrad, Bulgaria
No. 04	16.12.2004	Scaling relations of the galaxies	MS Orlin Stanchev, PhD Student, Institute of Astronomy and Rozhen NAO, BAS
No. 05	25.12.2004	Methods of the investigation of the interstellar extinctions	Dr. Petko L. Nedialkov, Assistant Professor, Department of Astronomy, SU