Index: trunk/ippconfig/sdssmosaic/psastro.config
===================================================================
--- trunk/ippconfig/sdssmosaic/psastro.config	(revision 18303)
+++ trunk/ippconfig/sdssmosaic/psastro.config	(revision 18978)
@@ -67,5 +67,10 @@
 PSASTRO.ANGLE.TOLERANCE       F32      1.0
 
-PSASTRO.CATDIR STR /IPP/ippRefs/catdir.2mass
+# now use PSASTRO.CATDIR, it seems - and probably should only use it
+# once anyway - used to have both synth.grizy and 2mass listed here...
+# 2MASS is a symbolic name that needs to be defined in site.config
+# in the PSASTRO.CATDIRS METADATA section. SYNTH.GRIZY is currently
+# the other option.
+PSASTRO.CATDIR STR 2MASS
 
 # Mosaic Astrometry options