Don's HDR shot of the moon is cool so I thought I would give this a go, actually had these images before his . It's multiple images 27 stacked in registax. First time I used it and it seems like a decent little program. But it has a ton of buttons and is very intimidating (10x more than photoshop, which I love, LOL). I just kept pressing buttons till I came up with this.

Tamron 70-300/4-5.6 at various exposures.... at 300mm of course

Bigger (blurrier, cropped somewhat):

And this was from the night before as hurricane ike left us a clear night! 15 frame pano