Index: trunk/ippconfig/cfh12k/psphot.config
===================================================================
--- trunk/ippconfig/cfh12k/psphot.config	(revision 12808)
+++ trunk/ippconfig/cfh12k/psphot.config	(revision 13036)
@@ -3,7 +3,7 @@
 SAVE.OUTPUT	BOOL 	TRUE
 SAVE.BACKMDL	BOOL 	TRUE
-SAVE.BACKGND	BOOL 	TRUE
+#SAVE.BACKGND	BOOL 	TRUE
 #SAVE.BACKSUB	BOOL 	TRUE
-#SAVE.RESID	BOOL 	TRUE
+SAVE.RESID	BOOL 	TRUE
 #SAVE.PSF	BOOL 	TRUE
 #LOAD.PSF	BOOL 	FALSE
@@ -42,2 +42,15 @@
 YMIN                F32   +10        	 # minimum valid y-coord
 YMAX                F32   -10        	 # maximum valid y-coord
+
+PSPHOT.FIXED.PSF METADATA
+  # PSF.TREND.MASK must be a 2D polynomial
+  # the specified values are ignored but define the active components of the polynomial
+  PSF.TREND.MASK  METADATA  
+     NORDER_X         S32       0                # number of x orders
+     NORDER_Y         S32       0                # number of y orders
+     VAL_X00_Y00      F64       1                # polynomial coefficient
+     NELEMENTS        S32       1                # number of unmasked components
+  END  # folder for 2D polynomial
+  
+  PSF_SN_LIM          F32  20              # minimum S/N for stars used for PSF model
+END