Index: branches/tap_branches/ppStack/src/ppStackFiles.c
===================================================================
--- branches/tap_branches/ppStack/src/ppStackFiles.c	(revision 25900)
+++ branches/tap_branches/ppStack/src/ppStackFiles.c	(revision 27838)
@@ -17,10 +17,17 @@
 
 /// Files required for the convolution
-static char *filesConvolve[] = { "PPSTACK.INPUT", "PPSTACK.INPUT.MASK", "PPSTACK.INPUT.VARIANCE",
-                                 "PPSTACK.CONV.KERNEL", NULL };
-
-/// Output files for the combination
-static char *filesCombine[] = { "PPSTACK.OUTPUT", "PPSTACK.OUTPUT.MASK", "PPSTACK.OUTPUT.VARIANCE",
-                                "PPSTACK.OUTPUT.JPEG1", "PPSTACK.OUTPUT.JPEG2", NULL };
+static char *filesConvolve[] = { "PPSTACK.INPUT", "PPSTACK.INPUT.MASK", "PPSTACK.INPUT.VARIANCE", NULL };
+
+//                                 "PPSTACK.CONV.KERNEL", NULL };
+
+/// Regular (convolved) stack files
+static char *filesStack[] = { "PPSTACK.OUTPUT", "PPSTACK.OUTPUT.MASK", "PPSTACK.OUTPUT.VARIANCE",
+                              "PPSTACK.OUTPUT.EXP", "PPSTACK.OUTPUT.EXPNUM", "PPSTACK.OUTPUT.EXPWT",
+                              "PPSTACK.OUTPUT.JPEG1", "PPSTACK.OUTPUT.JPEG2",
+                              NULL };
+/// Unconvolved stack files
+static char *filesUnconv[] = { "PPSTACK.UNCONV", "PPSTACK.UNCONV.MASK", "PPSTACK.UNCONV.VARIANCE",
+                               "PPSTACK.UNCONV.EXP", "PPSTACK.UNCONV.EXPNUM", "PPSTACK.UNCONV.EXPWT",
+                               NULL };
 
 /// Files for photometry
@@ -35,5 +42,6 @@
       case PPSTACK_FILES_PREPARE:  return filesPrepare;
       case PPSTACK_FILES_CONVOLVE: return filesConvolve;
-      case PPSTACK_FILES_COMBINE:  return filesCombine;
+      case PPSTACK_FILES_STACK:    return filesStack;
+      case PPSTACK_FILES_UNCONV:   return filesUnconv;
       case PPSTACK_FILES_PHOT:     return filesPhot;
       default:
@@ -113,16 +121,20 @@
     pmFPAview *view = pmFPAviewAlloc(0);// Pointer into FPA hierarchy
     if (!pmFPAfileIOChecks(config, view, PM_FPA_BEFORE)) {
+        psError(PPSTACK_ERR_IO, false, "File checks failed.");
         return NULL;
     }
     view->chip = 0;
     if (!pmFPAfileIOChecks(config, view, PM_FPA_BEFORE)) {
+        psError(PPSTACK_ERR_IO, false, "File checks failed.");
         return NULL;
     }
     view->cell = 0;
     if (!pmFPAfileIOChecks(config, view, PM_FPA_BEFORE)) {
+        psError(PPSTACK_ERR_IO, false, "File checks failed.");
         return NULL;
     }
     view->readout = 0;
     if (!pmFPAfileIOChecks(config, view, PM_FPA_BEFORE)) {
+        psError(PPSTACK_ERR_IO, false, "File checks failed.");
         return NULL;
     }
@@ -139,16 +151,20 @@
     view->chip = view->cell = view->readout = 0;
     if (!pmFPAfileIOChecks(config, view, PM_FPA_AFTER)) {
+        psError(PPSTACK_ERR_IO, false, "File checks failed.");
         return false;
     }
     view->readout = -1;
     if (!pmFPAfileIOChecks(config, view, PM_FPA_AFTER)) {
+        psError(PPSTACK_ERR_IO, false, "File checks failed.");
         return false;
     }
     view->cell = -1;
     if (!pmFPAfileIOChecks(config, view, PM_FPA_AFTER)) {
+        psError(PPSTACK_ERR_IO, false, "File checks failed.");
         return false;
     }
     view->chip = -1;
     if (!pmFPAfileIOChecks(config, view, PM_FPA_AFTER)) {
+        psError(PPSTACK_ERR_IO, false, "File checks failed.");
         return false;
     }
@@ -170,15 +186,19 @@
     psFits *fits = psFitsOpen(resolved, "w");
     if (!fits) {
-        psError(PS_ERR_IO, false, "Unable to open FITS file %s to write image.", resolved);
+        psError(PPSTACK_ERR_IO, false, "Unable to open FITS file %s to write image.", resolved);
         psFree(resolved);
         return false;
     }
     if (!psFitsWriteImage(fits, header, image, 0, NULL)) {
-        psError(PS_ERR_IO, false, "Unable to write FITS image %s.", resolved);
+        psError(PPSTACK_ERR_IO, false, "Unable to write FITS image %s.", resolved);
         psFitsClose(fits);
         psFree(resolved);
         return false;
     }
-    psFitsClose(fits);
+    if (!psFitsClose(fits)) {
+        psError(PPSTACK_ERR_IO, false, "Unable to close FITS image %s.", resolved);
+        psFree(resolved);
+        return false;
+    }
     psFree(resolved);
     return true;