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TITLE: GCN GRB OBSERVATION REPORT NUMBER: 1989 SUBJECT: GRB 030329: Optical afterglow fading DATE: 03/03/29 14:31:43 GMT FROM: Makoto Uemura at U. of Kyoto, Astro. <uemura@kusastro.kyoto-u.ac.jp> M. Uemura (Kyoto University) reports: We have started observations of the field of GRB 030329 at 12:53:41 UT, and confirmed the bright afterglow candidate reported in GCN 1985 and 1986. We use 30-cm and 25-cm SC telescopes and unfiltered CCDs at Kyoto, Japan. In this one hour observation, our perliminary analysis revealed a rapid fading of the object. From 12:53:41 UT to 13:51:01, the object faded about 0.53 mag, which establishes that the bright candidate is a genuine optical afterglow of GRB 030329.
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