Index: trunk/psphot/src/psphotChoosePSF.c
===================================================================
--- trunk/psphot/src/psphotChoosePSF.c	(revision 18555)
+++ trunk/psphot/src/psphotChoosePSF.c	(revision 18582)
@@ -64,5 +64,7 @@
     assert (status);
 
-    options->stats = psStatsAlloc (PS_STAT_ROBUST_MEDIAN | PS_STAT_ROBUST_STDEV);
+    // XXX ROBUST seems to be too agressive given the small numbers.  
+    // options->stats = psStatsAlloc (PS_STAT_ROBUST_MEDIAN | PS_STAT_ROBUST_STDEV);
+    options->stats = psStatsAlloc (PS_STAT_SAMPLE_MEDIAN | PS_STAT_SAMPLE_STDEV);
 
     // dimensions of the field for which the PSF is defined