Index: trunk/psphot/src/psphotModelBackground.c
===================================================================
--- trunk/psphot/src/psphotModelBackground.c	(revision 41526)
+++ trunk/psphot/src/psphotModelBackground.c	(revision 41527)
@@ -110,5 +110,5 @@
     }
 
-    const psStatsOptions statsOption = statsOptionLocation | statsOptionWidth;
+    const psStatsOptions statsOption = statsOptionLocation | statsOptionWidth | PS_STAT_MIN | PS_STAT_MAX; // use the requested value, but be sure MIN and MAX are calculated;
     psStats *statsDefaults = psStatsAlloc (statsOption);
 
@@ -472,5 +472,5 @@
 	modelStdevData[iy][ix] = psStatsGetValue(stats, statsOptionWidth);
 
-	// fprintf (stderr, "dQ : %f - %f - %f = %f\n", stats->robustLQ, stats->robustMedian, stats->robustUQ, stats->robustUQ + stats->robustLQ - 2*stats->robustMedian);
+	// fprintf (stderr, "background stats: %d, %d : %f > %f > %f > %f > %f : %f\n", ix, iy, stats->min, stats->robustLQ, modelData[iy][ix], stats->robustUQ, stats->max, modelStdevData[iy][ix]);
 	// XXX this operation is not thread safe -- move out somehow...
 	// psVectorAppend (dQ, stats->robustUQ + stats->robustLQ - 2*stats->robustMedian);