Index: trunk/ippconfig/gpc1/ppStack.config
===================================================================
--- trunk/ippconfig/gpc1/ppStack.config	(revision 35368)
+++ trunk/ippconfig/gpc1/ppStack.config	(revision 35394)
@@ -1,3 +1,4 @@
 PSF.MODEL	STR	PS_MODEL_PS1_V1	# Model for PSF generation
+BACKGROUND.MODEL BOOL   F
 
 ZP.AIRMASS      METADATA                # Airmass terms by filter
@@ -30,6 +31,8 @@
     OUTPUT.LOGFLUX  	    BOOL  FALSE
     OUTPUT.REPLICATE        BOOL  TRUE
-    PSF.INPUT.MAX           F32   7.5
+    PSF.INPUT.MAX           F32   10.0
     PSF.INPUT.CLIP.NSIGMA   F32   1.5
+    PSF.INPUT.THRESH        F32   5.0
+    PSF.INPUT.ASYMMETRY     F32   0.2
 END
 
Index: trunk/ippconfig/recipes/ppStack.config
===================================================================
--- trunk/ippconfig/recipes/ppStack.config	(revision 35368)
+++ trunk/ippconfig/recipes/ppStack.config	(revision 35394)
@@ -92,4 +92,6 @@
 PSF.INPUT.MAX           F32  NAN
 PSF.INPUT.CLIP.NSIGMA   F32  NAN
+PSF.INPUT.THRESH        F32  NAN
+PSF.INPUT.ASYMMETRY     F32  NAN
 
 TEMP.IMAGE	STR	conv.im.fits	# Suffix for temporary convolved images