Index: trunk/psastro/src/psastroLoadRefstars.c
===================================================================
--- trunk/psastro/src/psastroLoadRefstars.c	(revision 15637)
+++ trunk/psastro/src/psastroLoadRefstars.c	(revision 15963)
@@ -15,4 +15,16 @@
     float DECmin = DEG_RAD*psMetadataLookupF32(NULL, recipe, "DEC_MIN");
     float DECmax = DEG_RAD*psMetadataLookupF32(NULL, recipe, "DEC_MAX");
+
+    // extra field fraction to add
+    double fieldPadding = psMetadataLookupF32 (&status, recipe, "PSASTRO.FIELD.PADDING");
+    PS_ASSERT (status, NULL);
+
+    float dRA = RAmax - RAmin;
+    RAmin -= dRA * fieldPadding;
+    RAmax += dRA * fieldPadding;
+
+    float dDEC = DECmax - DECmin;
+    DECmin -= dDEC * fieldPadding;
+    DECmax += dDEC * fieldPadding;
 
     // XXX CATDIR needs to look up abstracted name from psastro.config