[zodPod]

Really well said! Also, before reading your explanation, I was a little hazy on how the image stacking thing worked. Now I understand a lot better. It's like averaging to get all of the details to the forefront without the oddities!

[KnightOfWords]

Glad you found it useful. If you haven't come across him before, this guy takes some of the best planetary images: http://www.damianpeach.com/index.htm