Foreword

5

List of Participants .

7

Zeki ASLAN, Rustem GUMEROV, Lyudmila HUDKOVA, Anatoly IVANTSOV, Irek KHAMITOV, Aleksey NEMTINOV, Gennady PINIGIN, Sergey ZELIKOV, Observational Programs and First Results of Selected Asteroid Observations at RTT150 within International Cooperation

11

Petre POPESCU, Radu POPESCU, Petre PARASCHIV, Alin NEDELCU, Octavian BĂDESCU, CCD Astrometry Using Ground-Based Telescopes

33

Liviu ŞERBĂNESCU, Mihai CARAMIHAI, Dynamical System of Data Management in Astronomy .

41

Gheorghe BOCŞA, Computation of Asteroid Ephemeris

45

Petre PARASCHIV, Alin NEDELCU, Petre POPESCU, Teodor NEGOIŢĂ, Adrian BOT, Radu POPESCU, Octavian  BĂDESCU, Polar Robotic Telescope .

51

Vlad TURCU, Dan MOLDOVAN, Processing Time Contacts for Venus’ Transit 2004 Using the Hough Transform

57

Petre POPESCU, Radu POPESCU, Octavian BĂDESCU, Local-Scale Geoid Determination Methods .

65

Octavian BĂDESCU, Alin NEDELCU, Petre POPESCU, Radu POPESCU, Petre PARASCHIV, ICRF Northern Sources Observed in Belogradchik

71

Dan ŞELARU, Vasile MIOC, Cătălin CUCU-DUMITRESCU, More Refined Solutions in the Gyldén-Type Problem .

75

Mira-Cristiana ANISIU, Families of Orbits in Conservative Fields of Hénon-Heiles Type .

81

Cătălin CUCU-DUMITRESCU, Vasile MIOC, Dan ŞELARU, Resonances of the Gyldéen-Type Problem .

89

Rodica ROMAN, Photogravitational Restricted Three-Body Problem. Role of the Test Particle in the Roche Geometry

101

Ciprian CHIRUŢĂ, Tiberiu OPROIU, Note on the Circular Restricted Three-Body Problem within the Photogravitational Model of Constantin Popovici 

107

Dumitru PRICOPI, Vasile MIOC, Magda STAVINSCHI, Equilibria of Hénon-Heiles Two-Body Problem .

117

Adrian DRĂGUŞAN, Sergiu LUPU, Methods for Representing the Gravitational Potential .

127

Nedelia Antonia POPESCU, Photometric Redshift Technique for Galaxies-Clustering Detection

135

Sorin-Adrian ROMAN, Peter L. BIERMANN, The Black Holes Distribution in a 50 Mpc Neighbourhood. Statistical Approach .

147

Kiril PANOV, Search for Pulsations in B and A Stars. The Problem of “MAIA”-Variables .

155

Tibor HEGEDÜS, János NUSPL, Nevyana MARKOVA, Haralambi MARKOV, Helen ROVITHIS-LIVANIOU, Istvan VINCE, Jozséf VINKÓ, The Central-East-South-European Binary Star Group. Some First Results .

159

Irina VOLOSHINA, Valerian SEMENTSOV, The Program of Photometric Study of Cataclysmic Variables in Sternberg Astronomical Institute

165

Eugenia ANTONOPOULOU, Nikolaos NANOURIS, Giannis KONTOGIANNIS, Giannis GIANNIKAKIS, Odysseas DIONATOS, First Photometric Observations of Recently Discovered Binaries

173

Alexandru POP, Michael BARBOSU, On the Detection of Outliers in O−C Curves 

179

Helen ROVITHIS-LIVANIOU, Albert JONES, The Symbiotic and Eclipsing Binary AR Pavonis: Latest Observations and Findings .

185

Dumitru PRICOPI, A Possible Extension of Stellingwerf’s One-Zone Stellar Model

191

Miruna Daniela POPESCU, John Gerard DOYLE, Where Are the Roots of the Fast Solar Wind? .

195

Diana BEŞLIU-IONESCU, Alina-Cătălina DONEA, Paul CALLY, Charles LINDSEY, Significant Acoustic Activity in AR10720 on January 15, 2005

203

Cristiana DUMITRACHE, Coronal Hole − MHD Numerical Simulation

207

Crişan DEMETRESCU, Venera DOBRICĂ, Solar-Activity Signature in the Time-Evolution of the Geomagnetic Field

217

Adrian ONCICA, Georgeta MARIŞ, North-South Asymmetry of the Sunspots .

229

Magda STAVINSCHI, Astronomers and Public Education

239

Olga ATANCKOVIĆ-VUKMANOVIĆ, Astronomy Education in Serbia and Montenegro

247

Renada KONSTANTINOVA-ANTOVA, Lubomir ILIEV, Ilian ILIEV, Haralambi MARKOV, Dimitar KOLEV, Nevyana MARKOVA, Nikolay TOMOV, Summer School on Spectroscopy at Rozhen Observatory, Bulgaria

255

Zeki ASLAN, Tuncay ÖZIŞIK, Total Solar Eclipe of March 29, 2006, in Turkey .

257

Gennady PINIGIN, Evnika LINKOVA, Grigory PETROV, Zhanna POZHALOVA, Nina OLSHANSKAYA, Nikolaev Astronomical Observatory: A Historical, Astronomical, and Architectural Monument of the Northern Black-Sea Shore

261

Helen ROVITHIS-LIVANIOU, Peter ROVITHIS, Meton’s Cycle and the 86^th Olympic Games

273