Index: /trunk/ippconfig/recipes/pstamp.config
===================================================================
--- /trunk/ippconfig/recipes/pstamp.config	(revision 34212)
+++ /trunk/ippconfig/recipes/pstamp.config	(revision 34213)
@@ -1,6 +1,13 @@
+# pstamp.config
+# List of data groups to use for bycoord and byskycell requests that
+# do not specify a data_group.
+# Notable for their absence are the data_groups for MD nightly science,
+# M31, and STS. Due to the nature of those surveys too much data is
+# returned.
+
 DATA_GROUP  MULTI
 
 DATA_GROUP  STR	 LAP.ThreePi.20%
-DATA_GROUP  STR	 ThreePi.20%         # ThreePi nightly science)
+DATA_GROUP  STR	 ThreePi.20%            # ThreePi nightly science
 DATA_GROUP  STR	 SAS_v8
 DATA_GROUP  STR	 MD01.refstack.20110820
@@ -14,2 +21,3 @@
 DATA_GROUP  STR	 MD09.refstack.20120603
 DATA_GROUP  STR	 MD10.refstack.20110722 
+DATA_GROUP  STR  %SS.20%                # Sweet Spot nightly science
