Index: trunk/dbconfig/tasks.md
===================================================================
--- trunk/dbconfig/tasks.md	(revision 19684)
+++ trunk/dbconfig/tasks.md	(revision 20106)
@@ -1,3 +1,3 @@
-# $Id: tasks.md,v 1.155 2008-09-23 20:12:05 eugene Exp $
+# $Id: tasks.md,v 1.156 2008-10-13 21:57:05 eugene Exp $
 
 # this table records all exposure ID ever seen from the summit
@@ -121,4 +121,6 @@
     filter      STR         64
     comment     STR         80
+    obs_mode    STR         64      # data usage goal (eg, survey name, engineering, etc)
+    obs_group   STR         64      # identifier for data block (eg, observation sequence)
     airmass     F32         0.0
     ra          F64         0.0
@@ -186,4 +188,6 @@
     filter      STR         64
     comment     STR         80
+    obs_mode    STR         64      # data usage goal (eg, survey name, engineering, etc)
+    obs_group   STR         64      # identifier for data block (eg, observation sequence)
     airmass     F32         0.0
     ra          F64         0.0