Georgia Charalampous, Konstantinos Fragkos, Eratosthenes Centre of Excellence, Cyprus; Andreas Karpasitis, The Cyprus Institute, Cyprus; Ilias Fountoulakis, Academy of Athens, Greece; Argyro Nisantzi, Cyprus University of Technology, Cyprus; Kyriakoula Papachristopoulou, National Observatory of Athens, Greece; Diofantos Hadjimitsis, Cyprus University of Technology, Cyprus; Stelios Kazadzis, World Radiation Center (PMOD/WRC), Swaziland