The optical observations used in this study were carried out during three observing runs, on September 6, 2003, on October 18-22, 2003 and on October 10-11, 2004, using the 1.3-m Ritchey-Cretien telescope at Skinakas Observatory, located on the island of Crete (Greece). (3 data files).
Department of Physics National and Kapodistrian University of Athens University Campus GR-157 84 Zografou, Athens Tel.: (+30) 210-7276721 email: deshatzi@phys.uoa.gr
