Index: trunk/psastro/src/psastroAstromGuess.c
===================================================================
--- trunk/psastro/src/psastroAstromGuess.c	(revision 8046)
+++ trunk/psastro/src/psastroAstromGuess.c	(revision 8136)
@@ -16,4 +16,7 @@
     pmCell *cell = NULL;
     pmReadout *readout = NULL;
+
+    DECmin = DECmax = -90;
+    RAmin = RAmax = RAminSky = RAmaxSky = 0;
 
     // is this a mosaic astrometry analysis?
