Acknowledgments
The meeting is organised by University Federico II of Napoli and INAF Osservatorio Astronomico di Capodimonte of Napoli and by the Vobs.it project.
A Special Thanks for help and support provided goes to:
prof. M. Marrelli, Rector of University Federico II 
prof. G. Russo, S.Co.P.E. Project 
prof. F. Pasian, Dept. of Information Systems - INAF 
prof. M. Della Valle, Astronomical Observatory of Capodimonte
