Index: trunk/doc/design/ippSDRS.tex
===================================================================
--- trunk/doc/design/ippSDRS.tex	(revision 1091)
+++ trunk/doc/design/ippSDRS.tex	(revision 1399)
@@ -1,3 +1,3 @@
-%%% $Id: ippSDRS.tex,v 1.3 2004-06-25 03:05:31 eugene Exp $
+%%% $Id: ippSDRS.tex,v 1.4 2004-08-06 19:06:01 eugene Exp $
 \documentclass[panstarrs]{panstarrs}
 
@@ -2029,4 +2029,10 @@
 \subparagraph{Combine Images}
 
+\tbd{for moving objects and images which are not simultaneous, do we
+  identify the moving objects?}
+
+\tbd{use the spatial information?  fit a 2-D Nth order polynomial to
+  the collection of pixels and then look for outliers}
+
 The first module for Phase 4 is to combine the images from each
 telescope, rejecting artifacts such as cosmic rays and low altitude
@@ -2086,4 +2092,6 @@
 \subparagraph{Transient Identification}
 
+\tbd{what about different stellar colors?}
+
 This module identifies variable/moving sources.  The inputs are:
 \begin{enumerate}
@@ -2134,4 +2142,6 @@
 
 \subparagraph{Add to Static Sky}
+
+\tbd{how to handle variable stars?}
 
 This module adds the combined sky cell image into the static sky, so