Index: trunk/ippToPsps/src/ippToPspsBatchDetection.c
===================================================================
--- trunk/ippToPsps/src/ippToPspsBatchDetection.c	(revision 28302)
+++ trunk/ippToPsps/src/ippToPspsBatchDetection.c	(revision 28305)
@@ -54,9 +54,15 @@
     float zptObs, zeroPoint, exposureTime;
     char filterType[20];
+    double obsTime;
+    double expStart;
+    double expTime;
     status=0; fits_read_key(fitsIn, TFLOAT, "ZPT_OBS", &zptObs, NULL, &status);
     status=0; fits_read_key(fitsIn, TFLOAT, "ZPT_REF", &zeroPoint, NULL, &status);
     status=0; fits_read_key(fitsIn, TFLOAT, "EXPREQ", &exposureTime, NULL, &status);
     status=0; fits_read_key(fitsIn, TSTRING, "FILTERID", filterType, NULL, &status);
-    
+    status=0; fits_read_key(fitsIn, TDOUBLE, "MJD-OBS", &expStart, NULL, &status);
+    status=0; fits_read_key(fitsIn, TDOUBLE, "EXPTIME", &expTime, NULL, &status);
+    obsTime = expStart + (expTime/172800); // exp start plus half exp time (converted from secs to days)
+   
     ippToPspsConfig_writeTable(this->config, fitsIn, this->fitsOut, 1, "FrameMeta", true);
 
@@ -83,5 +89,4 @@
 
     // stuff to keep from psf.hdr header
-    double obsTime = 0.0;
     int sourceId = -1;
     int imageId = -1;
@@ -132,5 +137,5 @@
     long ippDetectID[MAXDETECT];
     long imageID[MAXDETECT];
-    float obsTimes[MAXDETECT];
+    double obsTimes[MAXDETECT];
     float instFlux[MAXDETECT];
     float instFluxErr[MAXDETECT];
@@ -195,5 +200,4 @@
             status=0; fits_read_key(fitsIn, TFLOAT, "IQ_FW2", &momentMin, NULL, &status);
             status=0; fits_read_key(fitsIn, TLONG, "IMAGEID", &imageId, NULL, &status);
-            status=0; fits_read_key(fitsIn, TDOUBLE, "MJD-OBS", &obsTime, NULL, &status);
             status=0; fits_read_key(fitsIn, TLONG, "SOURCEID", &sourceId, NULL, &status);
 
@@ -333,5 +337,5 @@
             fits_write_col(this->fitsOut, TBYTE, DETECTION_SURVEYID, 1, 1, nDet, surveyIDs, &status);
             fits_write_col(this->fitsOut, TLONGLONG, DETECTION_IMAGEID, 1, 1, nDet, imageID, &status);
-            fits_write_col(this->fitsOut, TFLOAT, DETECTION_OBSTIME, 1, 1, nDet, obsTimes, &status);
+            fits_write_col(this->fitsOut, TDOUBLE, DETECTION_OBSTIME, 1, 1, nDet, obsTimes, &status);
             fits_write_col(this->fitsOut, TFLOAT, DETECTION_INSTFLUX, 1, 1, nDet, instFlux, &status);
             fits_write_col(this->fitsOut, TFLOAT, DETECTION_INSTFLUXERR, 1, 1, nDet, instFluxErr, &status);