Index: trunk/ppStack/src/ppStackCamera.c
===================================================================
--- trunk/ppStack/src/ppStackCamera.c	(revision 27403)
+++ trunk/ppStack/src/ppStackCamera.c	(revision 27417)
@@ -283,4 +283,53 @@
     }
 
+
+    // Exposure image
+    pmFPA *expFPA = pmFPAConstruct(config->camera, config->cameraName); // FPA to contain the output
+    if (!expFPA) {
+        psError(psErrorCodeLast(), false, "Unable to construct an FPA from camera configuration.");
+        return false;
+    }
+    pmFPAfile *exp = pmFPAfileDefineOutput(config, expFPA, "PPSTACK.OUTPUT.EXP");
+    psFree(expFPA);                        // Drop reference
+    if (!exp) {
+        psError(psErrorCodeLast(), false, _("Unable to generate output file from PPSTACK.OUTPUT.EXP"));
+        return false;
+    }
+    if (exp->type != PM_FPA_FILE_IMAGE) {
+        psError(PPSTACK_ERR_CONFIG, true, "PPSTACK.OUTPUT.EXP is not of type IMAGE");
+        return false;
+    }
+    exp->save = true;
+
+    if (!pmFPAAddSourceFromFormat(expFPA, "Stack", exp->format)) {
+        psError(psErrorCodeLast(), false, "Unable to generate output FPA.");
+        return false;
+    }
+
+    // Exposure numbers
+    pmFPAfile *expNum = pmFPAfileDefineOutput(config, exp->fpa, "PPSTACK.OUTPUT.EXPNUM");
+    if (!expNum) {
+        psError(psErrorCodeLast(), false, _("Unable to generate output file from PPSTACK.OUTPUT.EXPNUM"));
+        return false;
+    }
+    if (expNum->type != PM_FPA_FILE_MASK) {
+        psError(PPSTACK_ERR_CONFIG, true, "PPSTACK.OUTPUT.EXPNUM is not of type MASK");
+        return false;
+    }
+    expNum->save = true;
+
+    // Weighted exposure
+    pmFPAfile *expWt = pmFPAfileDefineOutput(config, exp->fpa, "PPSTACK.OUTPUT.EXPWT");
+    if (!expWt) {
+        psError(psErrorCodeLast(), false, _("Unable to generate output file from PPSTACK.OUTPUT.EXPWT"));
+        return false;
+    }
+    if (expWt->type != PM_FPA_FILE_VARIANCE) {
+        psError(PPSTACK_ERR_CONFIG, true, "PPSTACK.OUTPUT.EXPWT is not of type VARIANCE");
+        return false;
+    }
+    expWt->save = true;
+
+
     if (havePSFs) {
         pmFPA *psfFPA = pmFPAConstruct(config->camera, config->cameraName); // FPA to contain PSF
@@ -302,5 +351,4 @@
     }
 
-#if 1
     // Unconvolved stack
     pmFPA *unconvFPA = pmFPAConstruct(config->camera, config->cameraName); // FPA to contain unconvolved output
@@ -351,5 +399,52 @@
         unconvVariance->save = true;
     }
-#endif
+
+
+    // Exposure image
+    pmFPA *unconvExpFPA = pmFPAConstruct(config->camera, config->cameraName); // FPA to contain the output
+    if (!unconvExpFPA) {
+        psError(psErrorCodeLast(), false, "Unable to construct an FPA from camera configuration.");
+        return false;
+    }
+    pmFPAfile *unconvExp = pmFPAfileDefineOutput(config, unconvExpFPA, "PPSTACK.UNCONV.EXP");
+    psFree(unconvExpFPA);               // Drop reference
+    if (!unconvExp) {
+        psError(psErrorCodeLast(), false, _("Unable to generate output file from PPSTACK.UNCONV.EXP"));
+        return false;
+    }
+    if (unconvExp->type != PM_FPA_FILE_IMAGE) {
+        psError(PPSTACK_ERR_CONFIG, true, "PPSTACK.UNCONV.EXP is not of type IMAGE");
+        return false;
+    }
+    unconvExp->save = true;
+
+    if (!pmFPAAddSourceFromFormat(unconvExpFPA, "Stack", unconvExp->format)) {
+        psError(psErrorCodeLast(), false, "Unable to generate output FPA.");
+        return false;
+    }
+
+    // Exposure numbers
+    pmFPAfile *unconvExpNum = pmFPAfileDefineOutput(config, unconvExp->fpa, "PPSTACK.UNCONV.EXPNUM");
+    if (!unconvExpNum) {
+        psError(psErrorCodeLast(), false, _("Unable to generate output file from PPSTACK.UNCONV.MASK"));
+        return false;
+    }
+    if (unconvExpNum->type != PM_FPA_FILE_MASK) {
+        psError(PPSTACK_ERR_CONFIG, true, "PPSTACK.UNCONV.EXPNUM is not of type MASK");
+        return false;
+    }
+    unconvExpNum->save = true;
+
+    // Weighted exposure
+    pmFPAfile *unconvExpWt = pmFPAfileDefineOutput(config, unconvExp->fpa, "PPSTACK.UNCONV.EXPWT");
+    if (!unconvExpWt) {
+        psError(psErrorCodeLast(), false, _("Unable to generate output file from PPSTACK.UNCONV.EXPWT"));
+        return false;
+    }
+    if (unconvExpWt->type != PM_FPA_FILE_VARIANCE) {
+        psError(PPSTACK_ERR_CONFIG, true, "PPSTACK.UNCONV.EXPWT is not of type VARIANCE");
+        return false;
+    }
+    unconvExpWt->save = true;
 
     // Output JPEGs
Index: trunk/ppStack/src/ppStackFiles.c
===================================================================
--- trunk/ppStack/src/ppStackFiles.c	(revision 27403)
+++ trunk/ppStack/src/ppStackFiles.c	(revision 27417)
@@ -23,7 +23,11 @@
 /// Regular (convolved) stack files
 static char *filesStack[] = { "PPSTACK.OUTPUT", "PPSTACK.OUTPUT.MASK", "PPSTACK.OUTPUT.VARIANCE",
-                              "PPSTACK.OUTPUT.JPEG1", "PPSTACK.OUTPUT.JPEG2", NULL };
+                              "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", NULL };
+static char *filesUnconv[] = { "PPSTACK.UNCONV", "PPSTACK.UNCONV.MASK", "PPSTACK.UNCONV.VARIANCE",
+                               "PPSTACK.UNCONV.EXP", "PPSTACK.UNCONV.EXPNUM", "PPSTACK.UNCONV.EXPWT",
+                               NULL };
 
 /// Files for photometry
Index: trunk/ppStack/src/ppStackMatch.c
===================================================================
--- trunk/ppStack/src/ppStackMatch.c	(revision 27403)
+++ trunk/ppStack/src/ppStackMatch.c	(revision 27417)
@@ -18,5 +18,5 @@
 #define COVAR_FRAC 0.01                 // Truncation fraction for covariance matrix
 
-//#define TESTING                         // Enable debugging output
+#define TESTING                         // Enable debugging output
 
 #ifdef TESTING
Index: trunk/ppStack/src/ppStackReject.c
===================================================================
--- trunk/ppStack/src/ppStackReject.c	(revision 27403)
+++ trunk/ppStack/src/ppStackReject.c	(revision 27417)
@@ -10,5 +10,5 @@
 #include "ppStackLoop.h"
 
-//#define TESTING
+#define TESTING
 
 bool ppStackReject(ppStackOptions *options, pmConfig *config)