Index: trunk/Ohana/src/getstar/src/ReadImageHeader.c
===================================================================
--- trunk/Ohana/src/getstar/src/ReadImageHeader.c	(revision 15487)
+++ trunk/Ohana/src/getstar/src/ReadImageHeader.c	(revision 15509)
@@ -90,11 +90,11 @@
   image[0].fwhm_y = tmp * 25.0 * image[0].coords.cdelt1 * 3600.0;
 
-  image[0].trate = 0.0;
-  image[0].secz = NO_MAG;
+  image[0].trate  = 0.0;
+  image[0].secz   = NAN;
   image[0].ccdnum = 0;
 
   /* secz is in units milli-airmass */
   image[0].Mcal = 0.0;
-  image[0].Xm   = NO_MAG;
+  image[0].Xm   = NAN_S_SHORT;
   image[0].code = 0;
   bzero (image[0].dummy, sizeof(image[0].dummy));