Index: trunk/ppStack/src/ppStackLoop.c
===================================================================
--- trunk/ppStack/src/ppStackLoop.c	(revision 14007)
+++ trunk/ppStack/src/ppStackLoop.c	(revision 14404)
@@ -8,4 +8,5 @@
 #include <psmodules.h>
 #include <ppStats.h>
+#include <psphot.h>
 
 #include "ppStack.h"
@@ -37,4 +38,6 @@
         return false;
     }
+
+    bool doPhotom = psMetadataLookupBool(&mdok, config->arguments, "PHOTOM"); // perform photometry
 
     pmFPAview *view = pmFPAviewAlloc(0); // Pointer into FPA hierarchy
@@ -80,4 +83,11 @@
                 }
 
+		if (doPhotom) {
+		  if (!psphotReadout (config, view)) {
+                    psError(psErrorCodeLast(), false, "failure in psphotReadout for stacked image\n");
+                    return false;
+		  }
+		}
+
                 if (!pmFPAfileIOChecks(config, view, PM_FPA_BEFORE)) {
                     return false;