Index: trunk/Ohana/src/relphot/src/args.c
===================================================================
--- trunk/Ohana/src/relphot/src/args.c	(revision 39510)
+++ trunk/Ohana/src/relphot/src/args.c	(revision 39511)
@@ -581,4 +581,10 @@
   }
 
+  USE_BASIC_CHECK = FALSE;
+  if ((N = get_argument (argc, argv, "-basic-image-search"))) {
+    remove_argument (N, &argc, argv);
+    USE_BASIC_CHECK = TRUE;
+  }
+
   /* specify portion of the sky */
   UserPatch.Rmin = 0;
Index: trunk/Ohana/src/relphot/src/launch_region_hosts.c
===================================================================
--- trunk/Ohana/src/relphot/src/launch_region_hosts.c	(revision 39510)
+++ trunk/Ohana/src/relphot/src/launch_region_hosts.c	(revision 39511)
@@ -67,4 +67,5 @@
     if (MaxDensityUse) 	     strextend (&command, "-max-density %f", MaxDensityValue);
     if (SyntheticPhotometry) strextend (&command, "-synthphot");
+    if (USE_BASIC_CHECK)     strextend (&command, "-basic-image-search");
 
     if (UPDATE)        	     strextend (&command, "-update");
Index: trunk/Ohana/src/relphot/src/reload_catalogs.c
===================================================================
--- trunk/Ohana/src/relphot/src/reload_catalogs.c	(revision 39510)
+++ trunk/Ohana/src/relphot/src/reload_catalogs.c	(revision 39511)
@@ -245,4 +245,5 @@
     if (BOUNDARY_TREE)     { strextend (&command, "-boundary-tree %s", BOUNDARY_TREE); }
     if (SYNTH_ZERO_POINTS) { strextend (&command, "-synthphot-zpts %s", SYNTH_ZERO_POINTS); }
+    if (USE_BASIC_CHECK)   {  strextend (&command, "-basic-image-search"); }
 
     if (!(STAGES & STAGE_CHIP))  { strextend (&command, "-skip-chip"); }
Index: trunk/Ohana/src/relphot/src/relphot_objects.c
===================================================================
--- trunk/Ohana/src/relphot/src/relphot_objects.c	(revision 39510)
+++ trunk/Ohana/src/relphot/src/relphot_objects.c	(revision 39511)
@@ -217,4 +217,5 @@
     if (BOUNDARY_TREE)     { strextend (&command, "-boundary-tree %s", BOUNDARY_TREE); }
     if (SYNTH_ZERO_POINTS) { strextend (&command, "-synthphot-zpts %s", SYNTH_ZERO_POINTS); }
+    if (USE_BASIC_CHECK)   { strextend (&command, "-basic-image-search"); }
 
     if (!(STAGES & STAGE_CHIP))  { strextend (&command, "-skip-chip"); }
Index: trunk/Ohana/src/relphot/src/select_images.c
===================================================================
--- trunk/Ohana/src/relphot/src/select_images.c	(revision 39510)
+++ trunk/Ohana/src/relphot/src/select_images.c	(revision 39511)
@@ -43,4 +43,11 @@
   double DminSkyRegion = region[0].Dmin;
   double DmaxSkyRegion = region[0].Dmax;
+
+  double dD = 5.0;
+  double dR = dD / cos(RAD_DEG*DminSkyRegion);
+  RminSkyRegion -= dR;
+  RmaxSkyRegion += dR;
+  DminSkyRegion -= dD;
+  DmaxSkyRegion += dD;
 
   double RmidSkyRegion = 0.5*(RminSkyRegion + RmaxSkyRegion);