Index: /trunk/Mars/mcore/fits.h
===================================================================
--- /trunk/Mars/mcore/fits.h	(revision 20061)
+++ /trunk/Mars/mcore/fits.h	(revision 20062)
@@ -1049,4 +1049,5 @@
     bool IsHeaderOk() const { return fTable.datasum<0?false:(fChkHeader+Checksum(fTable.datasum)).valid(); }
     virtual bool IsFileOk() const { return (fChkHeader+fChkData).valid(); }
+    uint32_t GetChecksum() const { return (fChkHeader+fChkData).val(); }
 
     bool IsCompressedFITS() const { return fTable.is_compressed;}