Index: trunk/psModules/src/objects/pmSourceMatch.h
===================================================================
--- trunk/psModules/src/objects/pmSourceMatch.h	(revision 20946)
+++ trunk/psModules/src/objects/pmSourceMatch.h	(revision 20948)
@@ -51,4 +51,9 @@
                               );
 
+/// Perform relative photometry to calibrate images
+psVector *pmSourceMatchRelphot(const psArray *matches, // Array of matches
+                               const psVector *zp, // Zero points for each image (including airmass term)
+                               float cloudClip // Clipping for clouds
+    );
 
 #endif
