CCD astrolabe solar diameter measurements in 1999–2000 J. L. Penna, E. G. Jilinski, A. H. Andrei, S. P. Puliaev and E. Reis Neto A&A, 384 2 (2002) 650-653 Published online: 15 March 2002 DOI: 10.1051/0004-6361:20020065