I managed to catch a glimpse of the Comet McNaught yesterday evening as the sun was setting. There was a spot on the 18th floor of the building where I work that had a good view, hence I returned there today hoping to snap a quick picture. I remembered to bring my camera and 300mm lens but sadly forgot the 1.4x tele-converter so I had to do a bit of cropping.
Since the comet is so close to the sun and getting closer I wasn't able to get as interesting a picture as Mike did. Also the lack of foreground objects or clouds makes it challenging to shoot something photographically interesting. At one point a plane did fly into my frame, so I guess I caught one lucky break.
Lots of people have been taking pictures of the comet and they are all over the web.
Technical Specs: Canon 5D, 300mm f/4L, f/5.6 @ 1/125s, ISO 400.