Index: branches/eam_branches/ipp-20230313/ippconfig/recipes/ppStack.config
===================================================================
--- branches/eam_branches/ipp-20230313/ippconfig/recipes/ppStack.config	(revision 42642)
+++ branches/eam_branches/ipp-20230313/ippconfig/recipes/ppStack.config	(revision 42663)
@@ -253,5 +253,9 @@
   SKIP.MISSING.INPUTS BOOL FALSE          # If some input warp images are missing, make the stack anyway
   
-  SKIP.BG.SUB     BOOL    TRUE            # Bypass background subtraction?
+  SKIP.BG.SUB         BOOL TRUE            # Bypass background subtraction?
+
+  OUTPUT.NOCOMP       BOOL FALSE # use filerules that make compressed outputs
+  OUTPUT.LOGFLUX      BOOL TRUE  # choose a log-scaling for output images
+  OUTPUT.DEEPEXP      BOOL TRUE  # allow exptime maps with dynamic range up to 2^16 (64k) seconds
 END
 
Index: branches/eam_branches/ipp-20230313/ippconfig/recipes/reductionClasses.mdc
===================================================================
--- branches/eam_branches/ipp-20230313/ippconfig/recipes/reductionClasses.mdc	(revision 42642)
+++ branches/eam_branches/ipp-20230313/ippconfig/recipes/reductionClasses.mdc	(revision 42663)
@@ -2143,4 +2143,5 @@
     PSVIDEOPHOT                 STR     PSVIDEOPHOT
     XCSTACK_PPSTACK	        STR	XCSTACK_UNIONS_DR4
-    XCSTACK_PSPHOT	        STR	STACKPHOT_SINGLE
-END
+#   XCSTACK_PSPHOT	        STR	STACKPHOT_SINGLE
+    XCSTACK_PSPHOT	        STR	UNIONS_DR3
+END