Index: trunk/ppMops/src/ppMops.c
===================================================================
--- trunk/ppMops/src/ppMops.c	(revision 24385)
+++ trunk/ppMops/src/ppMops.c	(revision 24502)
@@ -166,5 +166,32 @@
             exit(PS_EXIT_SYS_ERROR);
         }
-        if (!psFitsWriteTable(fits, outHeader, output, OUT_EXTNAME)) {
+
+        if (numOut == 0) {
+            // Write dummy table
+            psMetadata *outRow = psMetadataAlloc(); // Dummy output row
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "RA_DEG", 0, "Right ascension (degrees)", NAN);
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "DEC_DEG", 0, "Declination (degrees)", NAN);
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "RA_SIG", 0, "Right ascension error (degrees)", NAN);
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "DEC_SIG", 0, "Declination error (degrees)", NAN);
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "MAG", 0, "Magnitude", NAN);
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "MAG_SIG", 0, "Magnitude error", NAN);
+            psMetadataAddU32(outRow, PS_LIST_TAIL, "FLAGS", 0, "Detection bit flags", 0);
+
+            // The below need fixing
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "STARPSF", 0, "EXT_NSIGMA", NAN);
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "ANG", 0, "Position angle of trail (degrees)", NAN);
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "ANG_SIG", 0, "Position angle error (degrees)", NAN);
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "LEN", 0, "Length of trail (arcsec)", NAN);
+            psMetadataAddF64(outRow, PS_LIST_TAIL, "LEN_SIG", 0, "Length error (arcsec)", NAN);
+            if (!psFitsWriteTableEmpty(fits, outHeader, outRow, OUT_EXTNAME)) {
+                psErrorStackPrint(stderr, "Unable to write table.");
+                psFree(outHeader);
+                psFree(output);
+                psFree(outRow);
+                psFree(data);
+                exit(PS_EXIT_SYS_ERROR);
+            }
+            psFree(outRow);
+        } else if (!psFitsWriteTable(fits, outHeader, output, OUT_EXTNAME)) {
             psErrorStackPrint(stderr, "Unable to write table.");
             psFree(outHeader);