Index: /trunk/FACT++/src/Fits.h
===================================================================
--- /trunk/FACT++/src/Fits.h	(revision 10933)
+++ /trunk/FACT++/src/Fits.h	(revision 10934)
@@ -85,5 +85,5 @@
 		}
 		///returns wether or not the file is currently open or not
-		bool IsOpen() {return fFile != NULL;}
+		bool IsOpen() const {return fFile != NULL;}
 		
 		///Adds a column that exists in all FITS files
@@ -103,5 +103,5 @@
 		
 		///Get the size currently written on the disk
-		int GetWrittenSize();
+		int GetWrittenSize() const;
 private:
 		template <typename T>