Index: trunk/MagicSoft/Mars/mastro/MAstroCatalog.cc
===================================================================
--- trunk/MagicSoft/Mars/mastro/MAstroCatalog.cc	(revision 4214)
+++ trunk/MagicSoft/Mars/mastro/MAstroCatalog.cc	(revision 4358)
@@ -30,4 +30,15 @@
 //  THIS IMPLEMENTATION IS PRELIMINARY AND WILL BE MERGED WITH
 //  SOME PARTS OF THE DRIVE SOFTWARE SOON!
+//
+//
+//  Catalogs:
+//  ---------
+//
+//  To be able to use this class you need a catalog file suppored by
+//  MAstroCatalog.
+//  Catalog files can be found at
+//  http://magic.astro.uni-wuerzburg.de/mars/catalogs.html
+//  You must copy the file into the directory from which you start your macro
+//  or give an abolute path loading the catalog.
 //
 //
@@ -106,4 +117,6 @@
 //   - a derived class is missing which supports all astrometrical
 //     correction (base on slalib and useable in Cosy)
+//   - Implement a general loader for heasarc catlogs, see
+//     http://heasarc.gsfc.nasa.gov/W3Browse/star-catalog/
 //
 //////////////////////////////////////////////////////////////////////////////
@@ -517,4 +530,7 @@
 // to a file outname. This files will contain an apropriate compressed
 // file format. You can read such files again using ReadCompressed.
+//
+// FIXME: A General loader for heasarc catlogs is missing, see
+//        http://heasarc.gsfc.nasa.gov/W3Browse/star-catalog/
 //
 Int_t MAstroCatalog::ReadHeasarcPPM(TString catalog, TString outname)