Index: trunk/ippconfig/gpc1/psphot.config
===================================================================
--- trunk/ippconfig/gpc1/psphot.config	(revision 19920)
+++ trunk/ippconfig/gpc1/psphot.config	(revision 19921)
@@ -25,4 +25,6 @@
 PSF_SN_LIM          F32  25              # minimum S/N for stars used for PSF model
 PSF_MAX_NSTARS      S32  300             # limit number of stars used for PSF model
+PSF_CLUMP_NX        S32   3               # subdivide image in to NX x NY regions for 
+PSF_CLUMP_NY        S32   3               # selecting PSF stars
 
 # PSF model parameters : choose the PSF model desired