A revisit to the region of Collinder 132 using Carte du Ciel and Astrographic Catalogue plates R. B. Orellana, M. S. De Biasi, I. H. Bustos Fierro and J. H. Calderón A&A, 521 (2010) A39 Published online: 19 October 2010 DOI: 10.1051/0004-6361/200913741