Index: /branches/eam_branches/ipp-20120405/Ohana/src/dvomerge/src/dvomergeUpdate_catalogs.c
===================================================================
--- /branches/eam_branches/ipp-20120405/Ohana/src/dvomerge/src/dvomergeUpdate_catalogs.c	(revision 33906)
+++ /branches/eam_branches/ipp-20120405/Ohana/src/dvomerge/src/dvomergeUpdate_catalogs.c	(revision 33907)
@@ -151,4 +151,16 @@
 
       // update header of output catalog
+      long long last_size;
+      char last_moddate[80];
+      int status_size = gfits_scan (&outcatalog.header, "LMRG_SZ", "%lld", 1, &last_size);      
+      int status_date = gfits_scan (&outcatalog.header, "LMRG_DT", "%s", 1, last_moddate);      
+
+      // save the previous size of merged entry
+      if (status_size && status_date) {
+	gfits_modify (&outcatalog.header, "LMRG_SZ1", "%lld", 1, (long long) last_size);      
+	gfits_modify (&outcatalog.header, "LMRG_DT1", "%s", 1, last_moddate);      
+      }
+
+      // update header of output catalog
       gfits_modify (&outcatalog.header, "LMRG_SZ", "%lld", 1, (long long) instats.st_size);      
       gfits_modify (&outcatalog.header, "LMRG_DT", "%s", 1, moddate);