Here are some comparison screens:
Vanilla Night Sky
http://cloud.steampowered.com/ugc/649871686538050141/1CCD016BA1D11BD2ED662F4C709475FE35E01692/[img]
Enhanced Night Sky
[img]http://cloud.steampowered.com/ugc/649871686538041649/3A7A7A57FCD3FA3A67DA7B41F1227BCB3E95C95F//img]
HLP Night Sky
[img]http://cloud.steampowered.com/ugc/649871686538047234/DDB2F693DAFBCDB084821E2CD68EA7789841A5C6/[img]
Sorry for the compression. Blame Steam.
Tell me if I should remove the img-tags.[/QUOTE]
The rings, or whatever you want to call them, that form the skybox are much more evident in the HLP sky it seems