Modra Observatory, Bratislava University, Slovakia - Adrian Galad, Stefan Gajdos, Josef Vilagi;
Karl Schwarzschild Observatory, Tautenburg, Germany - Bringfried Stecklum;
Poznan Observatory, Poland - Tomasz Kwiatkowski;
Instituto de Astrofisica de Andalucia (IAA), Granada, Spain - Jose Luis Ortiz, Rene Duffard, Susana Martin-Ruiz, Alfredo Sota, Victor Casanova, Fran Aceituno, Pablo Santos Sanz;
The Astronomical Institute of the Romanian Academy (AIRA), Bucharest, Romania - Adrian Sonka, Ruxandra Toma, Alin Nedelcu, Radu Gherase, Simon Anghel;
University of Craiova, Romania - Radu Constantinescu, Marian Predatu, Costin Boldea, Alina Boldea, Adrian Stanica, Viktoria Pinter;
Technical University of Cluj-Napoca (UTCN), Romania - Dorian Gorgan, Denisa Copandean Balazs, Victor Bacu, Teodor Stefanut, Cosmin Nandra, Cornelia Melenti, Danut Mihon, Adrian Sabou;
Observatoire de la Cote d'Azur and Universite de Nice, France - Philippe Bendjoya, Jean-Pierre Rivet, Joel Vernet;
Isaac Aznar Observatory, Spain - Amadeo Aznar;
Galati Astronomical Observatory of the Natural Sciences Museum Complex Galati, Romania - Ovidiu Tercu, Andrei-Marian Stoian.