Loren,
Those have alot of info in them and are sharp, but the deeper shots are clipped too much becasue of eneven field illumination.
You would benefit greatly if you bought gradiantXterminator from Russ Croman.
The tool is a must if one suffers from this.
I use it on all my deep shots especially with the starfinder. Widefield images are a bit harder to deal with, but it can be done.
It can balance the color gradiants, and undeven field illumination like magic.
Photoshop 5.5 or later though. you said you have PS 2. You might want to contact his support page if interested and ask there.
Brian
45.588000N,87.995000W