Index: /trunk/Ohana/src/delstar/src/delete_imagefile.c
===================================================================
--- /trunk/Ohana/src/delstar/src/delete_imagefile.c	(revision 8554)
+++ /trunk/Ohana/src/delstar/src/delete_imagefile.c	(revision 8555)
@@ -30,5 +30,5 @@
 
     // an error exit status here is a significant error
-    if (!dvo_catalog_open (&catalog, skylist[0].regions[i], VERBOSE, "u")) {
+    if (!dvo_catalog_open (&catalog, skylist[0].regions[i], VERBOSE, "a")) {
       fprintf (stderr, "ERROR: failure to open catalog file %s\n", catalog.filename);
       exit (2);
Index: /trunk/Ohana/src/delstar/src/delete_imagename.c
===================================================================
--- /trunk/Ohana/src/delstar/src/delete_imagename.c	(revision 8554)
+++ /trunk/Ohana/src/delstar/src/delete_imagename.c	(revision 8555)
@@ -39,5 +39,5 @@
 
       // an error exit status here is a significant error
-      if (!dvo_catalog_open (&catalog, skylist[0].regions[i], VERBOSE, "u")) {
+      if (!dvo_catalog_open (&catalog, skylist[0].regions[i], VERBOSE, "a")) {
 	fprintf (stderr, "ERROR: failure to open catalog file %s\n", catalog.filename);
 	exit (2);
Index: /trunk/Ohana/src/delstar/src/delete_times.c
===================================================================
--- /trunk/Ohana/src/delstar/src/delete_times.c	(revision 8554)
+++ /trunk/Ohana/src/delstar/src/delete_times.c	(revision 8555)
@@ -59,5 +59,5 @@
 
     // an error exit status here is a significant error
-    if (!dvo_catalog_open (&catalog, skylist[0].regions[i], VERBOSE, "u")) {
+    if (!dvo_catalog_open (&catalog, skylist[0].regions[i], VERBOSE, "a")) {
       fprintf (stderr, "ERROR: failure to open catalog file %s\n", catalog.filename);
       exit (2);