ROMANIAN ASTRONOMICAL JOURNAL   
   
Vol. 21, No. 2, 2011   
   
C O N T E N T S   
   
Stefan Gabriel SORESCU-SURDU, Adrian Sabin POPESCU, Alexandru DUMITRESCU  
The Variable LU Virginis 95
Adrian Sabin POPESCU  
Micro-CMEs from Active Solar Regions 99
Liliana DUMITRU  
Analysis of Two Active Regions Belonging to the Solar Cycle 24 107
Vasile MIOC, Cristiana DUMITRACHE  
Coronal Mass Ejections: A Different Mathematical Approach 117
Oana CHIRICUTA, Iulia CHIFU, Diana BESLIU-IONESCU, Marilena MIERLA  
Solar-Terrestrial Connections: Geomagnetic Storms Induced by Coronal Mass Ejections 123
Rodica ROMAN, Iharka SZÜCS-CSILLIK  
Regularization of the Circular Restricted Three-Body Problem Using “Similar” Coordinate Systems

127

Gheorghe BOCŞA, Mihaela LICULESCU, Petre POPESCU  
Accurate Positions of Asteroids Observed in Bucharest during the Year 1931 143
Gheorghe BOCŞA, Petre POPESCU, Mihaela LICULESCU  
Accurate Positions of Pluto and Asteroids Observed in Bucharest during the Year 1932 149
Mihaela LICULESCU, Doina IONESCU  
The Equinoxes and the Solstices in the Romanian Popular Calendar 155
Eleni ROVITHIS-LIVANIOU, Flora ROVITHIS  
Stellar Symbols on Ancient Greek Coins 165
Doina IONESCU, Eleni ROVITHIS-LIVANIOU  
The Map of Dacia by Abraham Ortelius 179