Index: trunk/ippconfig/recipes/ppStack.config
===================================================================
--- trunk/ippconfig/recipes/ppStack.config	(revision 21475)
+++ trunk/ippconfig/recipes/ppStack.config	(revision 23212)
@@ -32,12 +32,16 @@
 
 ZP.RADIUS	F32	1.0		# Radius (pixels) for matching sources
-ZP.ITER		S32	1000		# Maximum iterations for zero point
+ZP.ITER.1	S32	5		# Iterations for zero point; pass 1
+ZP.ITER.2	S32	1000		# Iterations for zero point; pass 2
 ZP.TOL		F32	1.0e-6		# Tolerance for zero point iterations
 ZP.TRANS.ITER	S32	2		# Iterations for transparency determination
 ZP.TRANS.REJ	F32	3.0		# Rejection threshold for transparency determination
 ZP.TRANS.THRESH	F32	1.0		# Threshold for transparency determination
-ZP.STAR.REJ	F32	3.0		# Rejection threshold for stars
+ZP.STAR.REJ.1	F32	20.0		# Rejection threshold for stars; pass 1
+ZP.STAR.REJ.2	F32	3.0		# Rejection threshold for stars; pass 2
 ZP.STAR.LIMIT	F32	1.0e-2		# Limit on star rejection fraction for successful iteration
-ZP.STAR.SYS	F32	0.05		# Estimated systematic error
+ZP.STAR.SYS.1	F32	0.10		# Estimated systematic error; pass 1
+ZP.STAR.SYS.2	F32	0.05		# Estimated systematic error; pass 2
+ZP.MATCH	F32	0.3		# Fraction of images to match for good star
 ZP.AIRMASS	METADATA		# Airmass terms by filter
 	g	F32	0.0