Favourite astronomical images

This thread is inspired by an article from Australian Geographic Magazine, which contains images such as this:

Have you any favourite astronomical images?

Sombrero Galaxy ^^

Great Stuff. Thanks.

This is comet C/2011 L4 (PANSTARRS) and M31 the Andromeda galaxy, source spaceweather.com

Cool juxtaposition! Especially when you think of the different distances.

Wow! And there are thousands more accessible from this site.

Which site?

Click on the image.  [I've linked the text as well, to make it more obvious]

Did you edit the text after? I would have thought I'd have picked up on that... haha! But yeah, I didn't click on the picture.. Nice job!

Yes, I did. 

Aaaahhh, okay. I'm not feeling so dumb anymore ;)