Comet Between Fireworks and Lightning

Explanation …. On the far right, lightning from a thunderstorm flashed in the distance. Near the image center, though, seen through clouds, was the most unusual sight of all: Comet McNaught. The photogenic comet was so bright that it even remained visible though the din of Earthly flashes.

(via APOD: 2011 May 29 - Comet Between Fireworks and Lightning)