Index: trunk/ppStack/src/ppStackOptions.h
===================================================================
--- trunk/ppStack/src/ppStackOptions.h	(revision 27158)
+++ trunk/ppStack/src/ppStackOptions.h	(revision 27218)
@@ -23,4 +23,5 @@
     float targetSeeing;                 // Target seeing FWHM
     float sumExposure;                  // Sum of exposure times
+    float zp;                           // Zero point for output
     psVector *inputMask;                // Mask for inputs
     psArray *sourceLists;               // Individual lists of sources for matching