Index: trunk/psphot/src/psphot.c
===================================================================
--- trunk/psphot/src/psphot.c	(revision 23168)
+++ trunk/psphot/src/psphot.c	(revision 23195)
@@ -9,5 +9,5 @@
 
     psTimerStart ("complete");
-    pmErrorRegister();			// register psModule's error codes/messages
+    pmErrorRegister();                  // register psModule's error codes/messages
     psphotInit();
 
@@ -15,7 +15,9 @@
     pmConfig *config = psphotArguments (argc, argv);
     if (!config) {
-	psErrorStackPrint(stderr, "Error reading arguments\n");
-	usage ();
+        psErrorStackPrint(stderr, "Error reading arguments\n");
+        usage ();
     }
+
+    psphotVersionPrint();
 
     // load input data (config and images (signal, noise, mask)
Index: trunk/psphot/src/psphot.h
===================================================================
--- trunk/psphot/src/psphot.h	(revision 23168)
+++ trunk/psphot/src/psphot.h	(revision 23195)
@@ -20,4 +20,5 @@
 bool            psphotVersionHeader(psMetadata *header);
 bool            psphotVersionHeaderFull(psMetadata *header);
+void            psphotVersionPrint(void);
 
 bool            psphotModelTest (pmConfig *config, const pmFPAview *view, psMetadata *recipe);
Index: trunk/psphot/src/psphotVersion.c
===================================================================
--- trunk/psphot/src/psphotVersion.c	(revision 23168)
+++ trunk/psphot/src/psphotVersion.c	(revision 23195)
@@ -96,2 +96,26 @@
     return true;
 }
+
+
+void psphotVersionPrint(void)
+{
+    psTime *time = psTimeGetNow(PS_TIME_TAI); // The time now
+    psString timeString = psTimeToISO(time); // The time in an ISO string
+    psFree(time);
+    psLogMsg("psphot", PS_LOG_INFO, "psphot at %s", timeString);
+    psFree(timeString);
+
+    psString pslib = psLibVersionLong();// psLib version
+    psString psmodules = psModulesVersionLong(); // psModules version
+    psString psphot = psphotVersionLong(); // psphot version
+
+    psLogMsg("psphot", PS_LOG_INFO, "%s", pslib);
+    psLogMsg("psphot", PS_LOG_INFO, "%s", psmodules);
+    psLogMsg("psphot", PS_LOG_INFO, "%s", psphot);
+
+    psFree(pslib);
+    psFree(psmodules);
+    psFree(psphot);
+
+    return;
+}