Index: trunk/psphot/src/pmPeaksSigmaLimit.c
===================================================================
--- trunk/psphot/src/pmPeaksSigmaLimit.c	(revision 5617)
+++ trunk/psphot/src/pmPeaksSigmaLimit.c	(revision 5672)
@@ -23,5 +23,7 @@
     // set peak threshold
     NSIGMA    = psMetadataLookupF32 (&status, config, "PEAKS_NSIGMA_LIMIT");
-    threshold = NSIGMA*sky->sampleStdev + sky->sampleMean;
+    
+    // threshold = NSIGMA*sky->sampleStdev + sky->sampleMean; 
+    threshold = NSIGMA*sky->sampleStdev;
     psLogMsg ("psphot", 3, "threshold: %f DN\n", threshold);