Index: trunk/ippToPsps/src/ippToPspsBatchDifference.c
===================================================================
--- trunk/ippToPsps/src/ippToPspsBatchDifference.c	(revision 27345)
+++ trunk/ippToPsps/src/ippToPspsBatchDifference.c	(revision 27431)
@@ -9,4 +9,5 @@
 #include "ippToPsps.h"
 #include "ippToPspsConfig.h"
+#include "ippToPspsDiffEnums.h"
 
 /**
@@ -41,5 +42,4 @@
 
     for (uint16_t i = 0; i<this->numOfInputFiles; i++) {
-    //for (uint16_t i = 0; i<3; i++) {
 
         if (fits_open_file(&fitsIn, this->inputFiles[i], READONLY, &status)) {
@@ -57,5 +57,5 @@
         fits_get_hdrspace(fitsIn, &nKeys, NULL, &status);
         ippToPspsConfig_writeTable(this->config, fitsIn,  this->fitsOut, 1, "StackMeta", true);
-        fits_write_col(this->fitsOut, TLONG, 2, 1, 1, 1, &skycell, &status);
+        fits_write_col(this->fitsOut, TLONG, STACKMETA_SKYCELLID, 1, 1, 1, &skycell, &status);
 
         // build StackToImage
@@ -107,5 +107,5 @@
         ippToPspsConfig_writeTable(this->config, fitsIn, this->fitsOut, 1, "StackLowSigDelta", false);
         ippToPspsConfig_writeTable(this->config, fitsIn, this->fitsOut, tableSize, "StackHighSigDelta", false);
-        fits_write_col(this->fitsOut, TFLOAT, 5, 1, 1, tableSize, obsTimes, &status);
+        fits_write_col(this->fitsOut, TFLOAT, STACKHIGHSIGDELTA_OBSTIME, 1, 1, tableSize, obsTimes, &status);
         if (numLowSig) fits_delete_rowlist(this->fitsOut, lowSig, numLowSig, &status);