We recommend you to visit the following pages :

The site of the very good planetarium program of  Patrick Chevalley : Sky Charts

The site of Tom Licha : http://www.licha.de/AstroWeb

The site of Claudine Rinner : The web page of Claudine (French)

The site of Robert Soubie : Site of Robert (French)

The site of Francis Tisserant : Site of Francis (French)

The site of the  great script egine IFPS3 written and supported by Carlo Kok I thanks a lot. The Delphi programmers can visit the page : http://carlo-kok.com/