Proceedings of an international workshop held in Erice, Sicily, Italy, April 17-30, 1986

The international Workshop on "Data Analysis in Astronomy" was in tended to give a presentation of experiences that have been acqui red in data analysis and image processing, developments and appli cations that are steadly growing up in Astronomy. The quality and the quantity of ground and satellite observations require more so phisticated data analysis methods and better computational tools. The Workshop has reviewed the present state of the art, explored new methods and discussed a wide range of applications. The topics which have been selected have covered the main fields of interest for data analysis in Astronomy. The Workshop has been focused on the methods used and their significant applications. Results which gave a major contribution to the physical interpre tation of the data have been stressed in the presentations. Atten tion has been devoted to the description of operational system for data analysis in astronomy. The success of the meeting has been the results of the coordinated effort of several people from the organizers to those who presen ted a contribution and/or took part in the discussion. We wish to thank the members of the Workshop scientific committee Prof. M. Ca paccioli, Prof. G.De Biase, Prof. G.Sedmak, Prof. A.Zichichi and of the local organizing committee Dr.R.Buccheri and Dr. M.C.Macca rone together with Miss P.Savalli and Dr. A.Gabriele of the E.Majo rana Center for their support and the unvaluable part in arranging the Workshop.

Reports the main results of an international workshop in Erice, Sicily, April 1991, at which astronomers and computer scientists reviewed the evolution of data analysis in astronomy during the past decade. The 32 papers cover systems and archives; the HST, ROSAT, and GRO missions, and future mission