REPUBLIC OF BULGARIA
Institute of Astronomy and NAO, Bulgarian Academy of Sciences
72 Tsarigradsko Shosse blvd., BG-1784 Sofia, Republic of Bulgaria
http://www.astro.bas.bg
FYR MACEDONIA
Ss. Cyril and Methodius University
Institute of Physics, Faculty of Natural Science
Arhimedova 3, P.O. Box 162, 1000 Skopje, FYR Macedonia
http://www.pmf.ukim.edu.mk
HELLENIC REPUBLIC
a) Aristotelion University of Thessaloniki
Section of Astrophysics, Astronomy and Mechanics
P.O.Box 451, GR-54124 Thessaloniki, Hellenic Republic
http://www.astro.auth.gr
b) National and Kapodistrian University of Athens
Section of Astrophysics, Astronomy and Mechanics
GR-15784 Zografos, Athens, Hellenic Republic
http://en.astro.phys.uoa.gr/
ROMANIA
Astronomical Institute of the Romanian Academy
Str. Cutitul de Argint 5, RO-040557 Bucharest, Romania
http://www.astro.ro
REPUBLIC OF SERBIA
a) Astronomical Observatory Belgrade
Volgina 7, 11160 Belgrade, Republic of Serbia
http://www.aob.rs
b) Institute of Physics, University of Belgrade
Pregrevica 118, 11080 Zemun-Belgrade, Republic of Serbia
http://www.ipb.ac.rs
REPUBLIC OF TURKEY
a) Istanbul University, Department of Astronomy and Space Sciences
TR 34134 Istanbul, Republic of Turkey
http://astronomi.istanbul.edu.tr/
b) Canakkale University Astrophysics Research Center and Observatory
TR-17020 Canakkale, Republic of Turkey
http://physics.edu.tr/caam/
REPUBLIC OF ARMENIA
Associated member
UKRAINE
Associated member