Index: trunk/ippScripts/scripts/detrend_resid.pl
===================================================================
--- trunk/ippScripts/scripts/detrend_resid.pl	(revision 9259)
+++ trunk/ippScripts/scripts/detrend_resid.pl	(revision 9337)
@@ -48,4 +48,5 @@
     'bias' => 'PPIMAGE_B',	# Bias only
     'dark' => 'PPIMAGE_D',	# Dark only
+    'shutter' => 'PPIMAGE_S',	# Shutter only
     'flat' => 'PPIMAGE_F',	# Flat-field only
 };
@@ -55,4 +56,5 @@
     'bias' => '-bias',		# Specify the bias frame
     'dark' => '-dark',		# Specify the dark frame
+    'shutter' => '-shutter',	# Specify the shutter frame
     'flat' => '-flat',		# Specify the flat frame
 };