Index: /trunk/psastro/src/psastroMosaicOneChip.c
===================================================================
--- /trunk/psastro/src/psastroMosaicOneChip.c	(revision 19311)
+++ /trunk/psastro/src/psastroMosaicOneChip.c	(revision 19312)
@@ -12,6 +12,4 @@
     char errorWord[64];
     char orderWord[64];
-
-    assert (iteration < 4);
 
     PS_ASSERT_PTR_NON_NULL(chip,    false);
@@ -86,7 +84,15 @@
 
     // XXX allow statitic to be set by the user
-    psStats *fitStats = psStatsAlloc (PS_STAT_CLIPPED_MEAN | PS_STAT_CLIPPED_STDEV);
-    fitStats->clipSigma = psMetadataLookupF32 (&status, recipe, "PSASTRO.MOSAIC.CHIP.NSIGMA");
-    fitStats->clipIter = psMetadataLookupS32 (&status, recipe, "PSASTRO.MOSAIC.CHIP.NITER");
+    // only clip if we are fitting the chip parameters.
+    psStats *fitStats = NULL;
+//    if (order == 0) {
+//	fitStats = psStatsAlloc (PS_STAT_CLIPPED_MEAN | PS_STAT_CLIPPED_STDEV);
+//	fitStats->clipSigma = psMetadataLookupF32 (&status, recipe, "PSASTRO.MOSAIC.CHIP.NSIGMA");
+//	fitStats->clipIter = psMetadataLookupS32 (&status, recipe, "PSASTRO.MOSAIC.CHIP.NITER");
+//    } else {
+	fitStats = psStatsAlloc (PS_STAT_CLIPPED_MEAN | PS_STAT_CLIPPED_STDEV);
+	fitStats->clipSigma = psMetadataLookupF32 (&status, recipe, "PSASTRO.MOSAIC.CHIP.NSIGMA");
+	fitStats->clipIter = psMetadataLookupS32 (&status, recipe, "PSASTRO.MOSAIC.CHIP.NITER");
+//    }
 
     // need to pass in an update header, sent in from above
@@ -117,5 +123,5 @@
     // XXX should these result in errors or be handled another way?
     psLogMsg ("psastro", PS_LOG_INFO, "astrometry solution: error: %f arcsec, Nstars: %d", astError, astNstar);
-    if (astError > maxError) {
+    if ((maxError > 0) && (astError > maxError)) {
 	psLogMsg("psastro", PS_LOG_INFO, "residual error is too large, failed to find a solution: %f > %f", astError, maxError);
 	validSolution = false;