Index: trunk/ippconfig/recipes/psphot.config
===================================================================
--- trunk/ippconfig/recipes/psphot.config	(revision 34750)
+++ trunk/ippconfig/recipes/psphot.config	(revision 34769)
@@ -345,4 +345,6 @@
 PSPHOT.EXT.NSIGMA.LIMIT             F32   3.0  # sources with extNsigma greater that this get tagged as likely extended sources
 PSPHOT.EXT.NSIGMA.MOMENTS           F32   3.0  # sources with extNsigma greater that this get tagged as likely extended sources
+PSPHOT.EXT.DIFF.ALTERNATE	    BOOL  FALSE           # use alternate extended source calculation; designed for diff trails
+PSPHOT.EXT.DIFF.ALTERNATE.THRESH    F32	  1.5		  # threshold for alternate extended source calculations
 PSPHOT.CR.GROW                      S32   1               # Number of pixels to grow CR mask
 PSPHOT.CR.NSIGMA.SOFTEN             F32   0.0025          # Softening parameter for weights