Nikolaos S. Bartsotas, National Observatory of Athens, Greece; Andrea Trucchia, CIMA Research Foundation, Italy; Stella Girtsou, Alexis Apostolakis, National Observatory of Athens, Greece; Nicolò Perello, CIMA Research Foundation, Italy; Themistocles Herekakis, National Observatory of Athens, Greece; Paolo Fiorucci, Lauro Rossi, CIMA Research Foundation, Italy; Charalampos Kontoes, National Observatory of Athens, Greece