Index: trunk/ppStack/src/ppStackThread.h
===================================================================
--- trunk/ppStack/src/ppStackThread.h	(revision 31158)
+++ trunk/ppStack/src/ppStackThread.h	(revision 34800)
@@ -25,4 +25,5 @@
     psArray *maskFits;                  // FITS file pointers for masks
     psArray *varianceFits;              // FITS file pointers for variances
+    psArray *bkgFits;                   // FITS file pointers for background models
 } ppStackThreadData;