Afterglow of a gamma-ray burst

The fading image of the optical afterglow of GRB 030329, as seen on 3 April 2003 (four days after the GRB event) and 1 May 2003. The images were obtained with the FORS1 and FORS2 multi-mode instruments at the 8.2-m Unit Telescopes of ESO's Very Large Telescope.