NGC 2580 and NGC 2588 - Two open clusters in the Third Galactic Quadrant G. Baume, A. Moitinho, E. E. Giorgi, G. Carraro and R. A. Vázquez A&A, 417 3 (2004) 961-972 Published online: 26 March 2004 DOI: 10.1051/0004-6361:20034427