Index: trunk/ippconfig/recipes/psphot.config
===================================================================
--- trunk/ippconfig/recipes/psphot.config	(revision 42233)
+++ trunk/ippconfig/recipes/psphot.config	(revision 42235)
@@ -861,4 +861,29 @@
 END
 
+QUB_DIFF METADATA
+  PEAKS_NSIGMA_LIMIT_2              F32  3.5           # peak significance threshold 
+  DIFF_STATS                        BOOL TRUE          # Calculate diff-specific stats
+  OUTPUT.FORMAT                     STR  PS1_DV5       # Format of output file
+
+  PSF_FIT_MODEL_SUM_FRAC_CUT        F32  0.5
+  PSF_FIT_MASKED_SUM_FRAC_CUT       F32  0.1
+
+  ## CR have been on real sources in MOPS so also turn off
+  PSPHOT.CR.MAX.SIZE                F32   0.0             # guess for limit on M_minor in pix^2
+
+  ## from STACK_DIFF -- not clear ever used or needed in either case
+  ## Extended source fit parameters
+  ## these models are used for high-quality shape analysis after all sources have been removed
+  EXTENDED_SOURCE_FITS                BOOL  TRUE  # perform the detailed extended sourc fits?
+  EXT_MODEL                           STR   PS_MODEL_TRAIL
+
+  ## extended source models applied to sources
+  EXTENDED_SOURCE_MODELS METADATA
+    TYPE      EXTENDED_SOURCE_MODEL  MODEL            SNLIM   PSF_CONVOLVED
+    TRAIL_RAW EXTENDED_SOURCE_MODEL  PS_MODEL_TRAIL    10.0   FALSE
+  END
+
+END
+
 YSE_DIFF METADATA
   PEAKS_NSIGMA_LIMIT_2              F32  3.5           # peak significance threshold