Index: trunk/psastro/src/psastroChipAstrom.c
===================================================================
--- trunk/psastro/src/psastroChipAstrom.c	(revision 25299)
+++ trunk/psastro/src/psastroChipAstrom.c	(revision 26259)
@@ -56,9 +56,9 @@
 
                 // select the raw objects for this readout
-                psArray *rawstars = psMetadataLookupPtr (&status, readout->analysis, "PSASTRO.RAWSTARS");
+                psArray *rawstars = psMetadataLookupPtr (&status, readout->analysis, "PSASTRO.RAWSTARS.SUBSET");
                 if (rawstars == NULL) { continue; }
 
                 // select the raw objects for this readout
-                psArray *refstars = psMetadataLookupPtr (&status, readout->analysis, "PSASTRO.REFSTARS");
+                psArray *refstars = psMetadataLookupPtr (&status, readout->analysis, "PSASTRO.REFSTARS.SUBSET");
                 if (refstars == NULL) { continue; }
 
@@ -66,6 +66,5 @@
                 if ((rawstars->n < 4) || (refstars->n < 4)) {
                     readout->data_exists = false;
-                    psLogMsg ("psastro", 3, "insufficient rawstars (%ld) or refstars (%ld)",
-                              rawstars->n, refstars->n);
+                    psLogMsg ("psastro", 3, "insufficient rawstars (%ld) or refstars (%ld)", rawstars->n, refstars->n);
                     continue;
                 }