Dictionary of Nomenclature of Celestial Objects

) were previously catalogued and are not published in 2006IBVS.5739....1H. See also M31N.
in source:M 31 = NGC 224
Ref:=2006IBVS.5739....1H
byHENZE M. , MEUSINGER H., PIETSCH W.
 IAU Inform. Bull. Var. Stars, 5739, 1-4 (2006)
  Discovery of 19 new historical nova candidates in M 31.
oTable 1: <[HMP2006] NN> (Nos 33-51).

====Sorry, no entry could be found====