Index: /trunk/psastro/src/psastroDemoDump.c
===================================================================
--- /trunk/psastro/src/psastroDemoDump.c	(revision 11466)
+++ /trunk/psastro/src/psastroDemoDump.c	(revision 11467)
@@ -43,7 +43,7 @@
 
 // this function is used for test purposes (-trace psastro.dump.psastroLoadRefstars 1)
-bool psastroDumpRefstars (psArray *refstars) {
+bool psastroDumpRefstars (psArray *refstars, char *filename) {
 
-    FILE *f = fopen ("refstars.dat", "w");
+    FILE *f = fopen (filename, "w");
 
     for (int i = 0; i < refstars->n; i++) {