Viktor Afanasiev, Special Astrophysical Observatory, Russian Academy of Sciences, Russia

Jovan Aleksić, Astronomical Observatory, Belgrade, Serbia

Zahra Alvi, Institute for Astrophysics, University of Goettingen, Germany

Slobodan Dan, Faculty of Sciences, University of Novi Sad

Emmanuel Danezis, Department of Astronomy, Astrophysics and Mechanics, Faculty of Physics, University of Athens, Greece

Milan S. Dimitrijević, Astronomical Observatory, Belgrade, Serbia

Luca Grassitelli, Astronomical Observatory, Belgrade, Serbia

Dragana Ilić, Department of Astronomy, Faculty of Mathematics, University of Belgrade, Serbia

Darko Jevremović, Astronomical Observatory, Belgrade, Serbia

Wolfram Kollatschny, Institute for Astrophysics, University of Goettingen, Germany

Anđelka Kovačević, Department of Astronomy, Faculty of Mathematics, University of Belgrade, Serbia

Jelena Kovačević, Astronomical Observatory, Belgrade, Serbia

Giovanni La Mura, Department of Physics and Astronomy, University of Padova, Italy

Evangelia Lyratzi, Department of Astronomy, Astrophysics and Mechanics, Faculty of Physics, University of Athens, Greece

Luka Č. Popović, Astronomical Observatory, Belgrade, Serbia

Piero Rafanelli, Department of Physics and Astronomy, University of Padova, Italy

Nemanja Rakić, Astronomical Observatory, Belgrade, Serbia

Payaswini Saikia, Institute for Astrophysics, University of Goettingen, Germany

Galina Semenovna-Afanasieva, Special Astrophysical Observatory, Russian Academy of Sciences, Russia

Saša Simić, Faculty of Science, Department of Physics, University of Kragujevac Serbia

Zoran Simić, Astronomical Observatory, Belgrade, Serbia

Marko Stalevski, Astronomical Observatory, Belgrade, Serbia

Veljko Vujčić, Astronomical Observatory, Belgrade, Serbia