Index: /trunk/FACT++/src/DataWriteFits.cc
===================================================================
--- /trunk/FACT++/src/DataWriteFits.cc	(revision 12453)
+++ /trunk/FACT++/src/DataWriteFits.cc	(revision 12454)
@@ -91,4 +91,5 @@
         fFile.WriteKey("NPIX",     h->NPix,     "Number of pixels");
         fFile.WriteKey("NTMARK",   h->NTm,      "Number of Time marks");
+        fFile.WriteKey("NCELLS",   1024,        "Maximum number of slices per pixels");
         fFile.WriteKey("NROI",     h->Nroi,     "Number of slices per pixels");
         fFile.WriteKey("NROITM",   realRoiTM,   "Number of slices per time-marker"); //ETIENNE from NroiTMm to Nroi