Index: trunk/ppStack/src/ppStackMatch.c
===================================================================
--- trunk/ppStack/src/ppStackMatch.c	(revision 24846)
+++ trunk/ppStack/src/ppStackMatch.c	(revision 25045)
@@ -222,18 +222,4 @@
             }
             psFitsClose(fits);
-
-            // Add in variance factor
-            pmSubtractionKernels *kernels = psMetadataLookupPtr(NULL, conv->analysis,
-                                                                PM_SUBTRACTION_ANALYSIS_KERNEL); // Kernels
-            float vf = pmSubtractionVarianceFactor(kernels, 0.0, 0.0, false); // Variance factor
-            psMetadataItem *vfItem = psMetadataLookup(readout->parent->concepts, "CELL.VARFACTOR");
-            if (!isfinite(vf)) {
-                vf = 1.0;
-            }
-            if (isfinite(vfItem->data.F32)) {
-                vfItem->data.F32 *= vf;
-            } else {
-                vfItem->data.F32 = vf;
-            }
 
             if (!readImage(&readout->image, options->imageNames->data[index], config) ||
@@ -413,16 +399,4 @@
             }
 
-            // Set the variance factor
-            psMetadataItem *vfItem = psMetadataLookup(readout->parent->concepts, "CELL.VARFACTOR");
-            float vf = psMetadataLookupF32(NULL, conv->analysis, PM_SUBTRACTION_ANALYSIS_VARFACTOR_1);
-            if (!isfinite(vf)) {
-                vf = 1.0;
-            }
-            if (isfinite(vfItem->data.F32)) {
-                vfItem->data.F32 *= vf;
-            } else {
-                vfItem->data.F32 = vf;
-            }
-
             // Replace original images with convolved
             psFree(readout->image);
@@ -512,5 +486,5 @@
         psBinaryOp(readout->variance, readout->variance, "*", psScalarAlloc(PS_SQR(norm), PS_TYPE_F32));
     }
-   
+
     // Ensure the background value is zero
     psStats *bg = psStatsAlloc(PS_STAT_ROBUST_MEDIAN | PS_STAT_ROBUST_STDEV); // Statistics for background
@@ -521,11 +495,11 @@
     } else {
       if (!psMetadataLookupBool(NULL, config->arguments, "PPSTACK.SKIP.BG.SUB")) {
-	psLogMsg("ppStack", PS_LOG_INFO, "Correcting convolved image background by %lf (+/- %lf)",
-		 psStatsGetValue(bg, PS_STAT_ROBUST_MEDIAN), psStatsGetValue(bg, PS_STAT_ROBUST_STDEV));
-	(void)psBinaryOp(readout->image, readout->image, "-",
-			 psScalarAlloc(psStatsGetValue(bg, PS_STAT_ROBUST_MEDIAN), PS_TYPE_F32));
+        psLogMsg("ppStack", PS_LOG_INFO, "Correcting convolved image background by %lf (+/- %lf)",
+                 psStatsGetValue(bg, PS_STAT_ROBUST_MEDIAN), psStatsGetValue(bg, PS_STAT_ROBUST_STDEV));
+        (void)psBinaryOp(readout->image, readout->image, "-",
+                         psScalarAlloc(psStatsGetValue(bg, PS_STAT_ROBUST_MEDIAN), PS_TYPE_F32));
       }
     }
-    
+
 
     // Measure the variance level for the weighting