Index: trunk/ippconfig/recipes/psastro.config
===================================================================
--- trunk/ippconfig/recipes/psastro.config	(revision 34957)
+++ trunk/ippconfig/recipes/psastro.config	(revision 34966)
@@ -190,4 +190,8 @@
 DVO.GETSTAR.MIN.MAG.INST      F32     -15.0
 
+# if non-zero use as the zero point for computing magnitude limits for getstar
+# by default use the ZEROPT in the PHOTCODE.DATA
+DVO.GETSTAR.FIXED.ZEROPT      F32       0.0     
+
 ZERO.POINT.BY.EXPOSURE	      	BOOL     TRUE
 ZERO.POINT.USE.MEAN	      	BOOL     TRUE