Index: /trunk/Ohana/src/opihi/dvo/gstar.c
===================================================================
--- /trunk/Ohana/src/opihi/dvo/gstar.c	(revision 19533)
+++ /trunk/Ohana/src/opihi/dvo/gstar.c	(revision 19534)
@@ -11,5 +11,5 @@
   double Mcat, Mrel;
   double *RA, *DEC;
-  int i, j, k, m, N, *N1, Nsecfilt, NPTS, QUIET, FULL_OUTPUT;
+  int i, j, k, m, N, *N1, Nsecfilt, NPTS, QUIET, FULL_OUTPUT, INST;
   int Nstars, found, GetMeasures, Nlo, Nhi;
   int SaveVectors;
@@ -27,4 +27,10 @@
   if ((N = get_argument (argc, argv, "-q"))) {
     QUIET = TRUE;
+    remove_argument (N, &argc, argv);
+  }
+
+  INST = FALSE;
+  if ((N = get_argument (argc, argv, "-inst"))) {
+    INST = TRUE;
     remove_argument (N, &argc, argv);
   }
@@ -192,5 +198,9 @@
 
 	  Mcat = PhotCat (&catalog.measure[m]);
-	  Mrel = PhotRel (&catalog.measure[m], &catalog.average[k], &catalog.secfilt[k*Nsecfilt]);
+	  if (INST) {
+	    Mrel = PhotInst (&catalog.measure[m]);
+	  } else {
+	    Mrel = PhotRel (&catalog.measure[m], &catalog.average[k], &catalog.secfilt[k*Nsecfilt]);
+	  }
 
 	  if (GetMeasures && !QUIET) {