Index: trunk/Ohana/src/addstar/src/ReadImageHeader.c
===================================================================
--- trunk/Ohana/src/addstar/src/ReadImageHeader.c	(revision 20183)
+++ trunk/Ohana/src/addstar/src/ReadImageHeader.c	(revision 20184)
@@ -25,4 +25,9 @@
       haveNx = gfits_scan (header, "IMNAXIS1",   "%d", 1, &Nx);
       haveNy = gfits_scan (header, "IMNAXIS2",   "%d", 1, &Ny);
+  }
+
+  if (!haveNx && !haveNy) {
+      haveNx = gfits_scan (header, "ZNAXIS1",   "%d", 1, &Nx);
+      haveNy = gfits_scan (header, "ZNAXIS2",   "%d", 1, &Ny);
   }
 
Index: trunk/Ohana/src/delstar/src/gimages.c
===================================================================
--- trunk/Ohana/src/delstar/src/gimages.c	(revision 20183)
+++ trunk/Ohana/src/delstar/src/gimages.c	(revision 20184)
@@ -52,4 +52,8 @@
       haveNy = gfits_scan (&header, "IMNAXIS2",   "%hd", 1, &image[0].NY);
   }      
+  if (!haveNx && !haveNy) {
+      haveNx = gfits_scan (&header, "ZNAXIS1",   "%d", 1, &image[0].NX);
+      haveNy = gfits_scan (&header, "ZNAXIS2",   "%d", 1, &image[0].NY);
+  }
   if (!haveNx || !haveNy) {
       Shutdown ("ERROR: missing image dimensions in header");
Index: trunk/Ohana/src/getstar/src/ReadImageHeader.c
===================================================================
--- trunk/Ohana/src/getstar/src/ReadImageHeader.c	(revision 20183)
+++ trunk/Ohana/src/getstar/src/ReadImageHeader.c	(revision 20184)
@@ -20,4 +20,9 @@
       haveNx = gfits_scan (header, "IMNAXIS1",   "%d", 1, &Nx);
       haveNy = gfits_scan (header, "IMNAXIS2",   "%d", 1, &Ny);
+  }
+
+  if (!haveNx && !haveNy) {
+      haveNx = gfits_scan (header, "ZNAXIS1",   "%d", 1, &Nx);
+      haveNy = gfits_scan (header, "ZNAXIS2",   "%d", 1, &Ny);
   }
 
Index: trunk/Ohana/src/opihi/dvo/imbox.c
===================================================================
--- trunk/Ohana/src/opihi/dvo/imbox.c	(revision 20183)
+++ trunk/Ohana/src/opihi/dvo/imbox.c	(revision 20184)
@@ -55,4 +55,9 @@
 	haveNx = gfits_scan (&header, "IMNAXIS1",   "%d", 1, &Nx);
 	haveNy = gfits_scan (&header, "IMNAXIS2",   "%d", 1, &Ny);
+    }
+
+    if (!haveNx && !haveNy) {
+	haveNx = gfits_scan (header, "ZNAXIS1",   "%d", 1, &Nx);
+	haveNy = gfits_scan (header, "ZNAXIS2",   "%d", 1, &Ny);
     }