Matthijs van Waveren, Mickaël Savinaud, Guillaume Pasero, Veronique Defonte, CS GROUP, France; Pierre-Marie Brunet, Orphée Faucoz, Centre National d'Études Spatiales, France; Piotr Gawron, AstroCeNT, Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Poland; Bartlomiej Gardas, Zbigniew Puchala, Łukasz Pawela, Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, Poland