Index: /trunk/psphot/src/psphotImageMedian.c
===================================================================
--- /trunk/psphot/src/psphotImageMedian.c	(revision 8880)
+++ /trunk/psphot/src/psphotImageMedian.c	(revision 8881)
@@ -82,4 +82,13 @@
     }
     psF32 **modelData = model->image->data.F32;
+    assert(model->analysis != NULL);
+    psMetadataAdd(model->analysis, PS_LIST_TAIL, "XBIN", PS_DATA_S32 | PS_META_REPLACE,
+		  "Background x-binsize", DX);
+    psMetadataAdd(model->analysis, PS_LIST_TAIL, "YBIN", PS_DATA_S32 | PS_META_REPLACE,
+		  "Background x-binsize", DY);
+    psMetadataAdd(model->analysis, PS_LIST_TAIL, "x0", PS_DATA_S32 | PS_META_REPLACE,
+		  "Background x-overhang", dx);
+    psMetadataAdd(model->analysis, PS_LIST_TAIL, "y0", PS_DATA_S32 | PS_META_REPLACE,
+		  "Background y-overhang", dy);
 
     // measure clipped median for subimages