Index: /trunk/ippScripts/scripts/nightly_science.pl
===================================================================
--- /trunk/ippScripts/scripts/nightly_science.pl	(revision 32967)
+++ /trunk/ippScripts/scripts/nightly_science.pl	(revision 32968)
@@ -996,5 +996,10 @@
     $cmd .= " -min_num 4";
     $cmd .= " -select_good_frac_min 0.05";
-    $cmd .= " -set_reduction NIGHTLY_STACK ";
+    if (defined($reduction)) {
+	$cmd .= " -set_reduction $reduction ";
+    }
+    else {
+	$cmd .= " -set_reduction NIGHTLY_STACK ";
+    }
     $cmd .= " $select ";
     if ($debug == 1) {
Index: /trunk/ippconfig/recipes/nightly_science.config
===================================================================
--- /trunk/ippconfig/recipes/nightly_science.config	(revision 32967)
+++ /trunk/ippconfig/recipes/nightly_science.config	(revision 32968)
@@ -219,7 +219,8 @@
   TESS      STR RINGS.V3
   OBSMODE   STR SS
-  STACKABLE BOOL FALSE
-  DIFFABLE  BOOL TRUE
-  REDUCTION STR SSTF_4SIG
+  STACKABLE BOOL TRUE
+  DIFFABLE  BOOL FALSE
+  REDUCTION STR SWEETSPOT
+#  REDUCTION STR SSTF_4SIG
 #  WARP      S16 60
 END
@@ -229,7 +230,8 @@
   TESS         STR RINGS.V3
   OBSMODE      STR OSS
-  STACKABLE   BOOL FALSE
-  DIFFABLE    BOOL TRUE
-  REDUCTION STR SSTF_4SIG
+  STACKABLE   BOOL TRUE
+  DIFFABLE    BOOL FALSE
+  REDUCTION STR SWEETSPOT
+#  REDUCTION STR SSTF_4SIG
 END
 TARGETS METADATA
@@ -238,7 +240,8 @@
   TESS         STR RINGS.V3
   OBSMODE      STR ESS
-  STACKABLE   BOOL FALSE
-  DIFFABLE    BOOL TRUE
-  REDUCTION STR SSTF_4SIG
+  STACKABLE   BOOL TRUE
+  DIFFABLE    BOOL FALSE
+  REDUCTION STR SWEETSPOT
+#  REDUCTION STR SSTF_4SIG
 END
 TARGETS METADATA
@@ -247,7 +250,8 @@
   TESS         STR RINGS.V3
   OBSMODE      STR MSS
-  STACKABLE   BOOL FALSE
-  DIFFABLE    BOOL TRUE
-  REDUCTION STR SSTF_4SIG
+  STACKABLE   BOOL TRUE
+  DIFFABLE    BOOL FALSE
+  REDUCTION STR SWEETSPOT
+#  REDUCTION STR SSTF_4SIG
 END
 TARGETS METADATA
Index: /trunk/ippconfig/recipes/reductionClasses.mdc
===================================================================
--- /trunk/ippconfig/recipes/reductionClasses.mdc	(revision 32967)
+++ /trunk/ippconfig/recipes/reductionClasses.mdc	(revision 32968)
@@ -219,4 +219,29 @@
 END
 
+# Sweetspot reduction class
+SWEETSPOT		METADATA
+	CHIP_PPIMAGE	  STR	  CHIP
+	CHIP_PSPHOT	  STR	  CHIP
+	WARP_PSWARP	  STR	  WARP
+	STACK_PPSTACK	  STR	  QUICKSTACK
+	STACK_PPSUB	  STR	  STACK
+	STACK_PSPHOT	  STR	  STACK
+	DIFF_PPSUB	  STR	  DIFF
+	DIFF_PSPHOT	  STR	  SSTF_DIFF
+	JPEG_BIN1	  STR	  PPIMAGE_J1
+	JPEG_BIN2	  STR	  PPIMAGE_J2
+	FAKEPHOT	  STR	  FAKEPHOT
+	ADDSTAR		  STR	  ADDSTAR
+	PSASTRO		  STR	  DEFAULT_RECIPE
+	STACKPHOT_PSPHOT  STR     STACKPHOT
+	STACKPHOT_PPSUB   STR     STACKPHOT
+	STACKPHOT_PPSTACK STR     STACKPHOT
+	STACKPHOT_SINGLE_PSPHOT  STR     STACKPHOT_SINGLE
+	BACKGROUND_PPBACKGROUND	STR	BACKGROUND
+	BACKGROUND_PSWARP	STR	BACKGROUND
+        PSVIDEOPHOT             STR     PSVIDEOPHOT
+END
+
+
 CONSTANT_WEIGHTPHOT		METADATA
 	CHIP_PPIMAGE	  STR	  CHIP
@@ -311,4 +336,27 @@
 END
 
+SSTF_4SIG		METADATA
+	CHIP_PPIMAGE	  STR	  CHIP
+	CHIP_PSPHOT	  STR	  CHIP
+	WARP_PSWARP	  STR	  WARP
+	STACK_PPSTACK	  STR	  STACK
+	STACK_PPSUB	  STR	  STACK
+	STACK_PSPHOT	  STR	  STACK
+	DIFF_PPSUB	  STR	  DIFF
+	DIFF_PSPHOT	  STR	  SSTF_DIFF
+	JPEG_BIN1	  STR	  PPIMAGE_J1
+	JPEG_BIN2	  STR	  PPIMAGE_J2
+	FAKEPHOT	  STR	  FAKEPHOT
+	ADDSTAR		  STR	  ADDSTAR
+	PSASTRO		  STR	  DEFAULT_RECIPE
+	STACKPHOT_PSPHOT  STR     STACKPHOT
+	STACKPHOT_PPSUB   STR     STACKPHOT
+	STACKPHOT_PPSTACK STR     STACKPHOT
+	STACKPHOT_SINGLE_PSPHOT  STR     STACKPHOT_SINGLE
+	BACKGROUND_PPBACKGROUND	STR	BACKGROUND
+	BACKGROUND_PSWARP	STR	BACKGROUND
+        PSVIDEOPHOT             STR     PSVIDEOPHOT
+END
+
 SSTF_NOCONV_4SIG		METADATA
 	CHIP_PPIMAGE	  STR	  CHIP
@@ -334,26 +382,4 @@
 END
 
-SSTF_4SIG		METADATA
-	CHIP_PPIMAGE	  STR	  CHIP
-	CHIP_PSPHOT	  STR	  CHIP
-	WARP_PSWARP	  STR	  WARP
-	STACK_PPSTACK	  STR	  STACK
-	STACK_PPSUB	  STR	  STACK
-	STACK_PSPHOT	  STR	  STACK
-	DIFF_PPSUB	  STR	  DIFF
-	DIFF_PSPHOT	  STR	  SSTF_DIFF
-	JPEG_BIN1	  STR	  PPIMAGE_J1
-	JPEG_BIN2	  STR	  PPIMAGE_J2
-	FAKEPHOT	  STR	  FAKEPHOT
-	ADDSTAR		  STR	  ADDSTAR
-	PSASTRO		  STR	  DEFAULT_RECIPE
-	STACKPHOT_PSPHOT  STR     STACKPHOT
-	STACKPHOT_PPSUB   STR     STACKPHOT
-	STACKPHOT_PPSTACK STR     STACKPHOT
-	STACKPHOT_SINGLE_PSPHOT  STR     STACKPHOT_SINGLE
-	BACKGROUND_PPBACKGROUND	STR	BACKGROUND
-	BACKGROUND_PSWARP	STR	BACKGROUND
-        PSVIDEOPHOT             STR     PSVIDEOPHOT
-END