This is NGC 5806, a fairly average spiral galaxy located in the constellation Virgo. In 2004, one of its stars exploded in the bright supernova you can see at the bottom of this image. And Hubble caught every crucial moment.
This is a test. This blog is conducting a test of the Emergency Alert System. Like, guerrilla-style. This is only a test. If this had been an actual emergency, you would have been instructed where to go for news and official information.