Index: trunk/ippScripts/scripts/stack_skycell.pl
===================================================================
--- trunk/ippScripts/scripts/stack_skycell.pl	(revision 19284)
+++ trunk/ippScripts/scripts/stack_skycell.pl	(revision 19303)
@@ -159,5 +159,6 @@
 my $outputMask = $ipprc->filename("PPSTACK.OUTPUT.MASK", $outroot);
 my $outputWeight = $ipprc->filename("PPSTACK.OUTPUT.WEIGHT", $outroot);
-my $outputSources = $ipprc->filename("PSPHOT.OUT.CMF.MEF", $outroot);
+my $outputSources = $ipprc->filename("PSPHOT.OUT.CMF.MEF", $outroot); ## this must be consistent with the value in diff_skycell.pl:101
+## use an explicit stack name for psphot output objects
 #my $bin1Name =  $ipprc->filename("PPSTACK.BIN1", $outroot);
 #my $bin2Name =  $ipprc->filename("PPSTACK.BIN2", $outroot);