Index: trunk/ppStack/src/ppStackOptions.h
===================================================================
--- trunk/ppStack/src/ppStackOptions.h	(revision 30620)
+++ trunk/ppStack/src/ppStackOptions.h	(revision 31158)
@@ -22,7 +22,13 @@
     float sumExposure;                  // Sum of exposure times
     float zp;                           // Zero point for output
+    float zpErr;			// Zero point error for output
+    float airmass;			// airmass for output image
+    float airmassSlope;			// airmass slope used for zp analysis
     psVector *inputMask;                // Mask for inputs
     psArray *sourceLists;               // Individual lists of sources for matching
     psVector *norm;                     // Normalisation for each image
+    psVector *zpInput;			// reported zero point of input exposure
+    psVector *expTimeInput;		// exposure time of input exposure
+    psVector *airmassInput;		// airmass of input exposure
     psArray *sources;                   // Matched sources
     // Convolve