Index: trunk/ippScripts/scripts/register_imfile.pl
===================================================================
--- trunk/ippScripts/scripts/register_imfile.pl	(revision 30280)
+++ trunk/ippScripts/scripts/register_imfile.pl	(revision 30283)
@@ -195,5 +195,5 @@
     $command .= " -data_state full";
 }
-elsif (is_daytime($dateobs,$sunset,$sunrise)) {
+elsif (is_daytime($dateobs,$sunrise,$sunset)) {
     printf STDERR "This is a daytime exposure.\n";
     $command .= " -data_state full";