Long description

The figure consists of two parts labelled (a) and (b) that are images of the same galaxy taken 41 days apart, with the location of a supernova highlighted by the white lines in the right-hand image. Part (a) on the left, is an image of the galaxy with an elliptical shape. The galaxy appears blurry. Part (b) on the right, is an image of the same galaxy, but with a supernova as a bright white dot seen on its lower right region.