Comet McNaught is being called the brightest comet in 30 years. It is temporarily visible in the Northern Hemisphere at both sunset and dawn, depending on conditions. View a photo gallery(1) from Spaceweather.com and read more about in this AP article(2).
First half-hour guest, physicist James McCanney(3) commented on Comet McNaught's appearance. It swung in from somewhere near Jupiter and has been surprising in its intensity, he said. It will be interesting to see how it interacts with the Sun, he added.