Index: trunk/psastro/src/psastroAstromGuess.c
===================================================================
--- trunk/psastro/src/psastroAstromGuess.c	(revision 13836)
+++ trunk/psastro/src/psastroAstromGuess.c	(revision 15057)
@@ -69,7 +69,13 @@
         pmHDU *hdu = pmFPAviewThisHDU (view, fpa);
 	if (bilevelAstrometry) {
-	  pmAstromReadBilevelChip (chip, hdu->header); 
+	    if (!pmAstromReadBilevelChip (chip, hdu->header)) {
+		psWarning("Could not get WCS information from header for chip %d, skipping", view->chip); 
+		continue;
+	    } 
 	} else {
-	  pmAstromReadWCS (fpa, chip, hdu->header, pixelScale);
+	    if (!pmAstromReadWCS (fpa, chip, hdu->header, pixelScale)) {
+		psWarning("Could not get WCS information from header for chip %d, skipping", view->chip); 
+		continue;
+	    } 
 	}