You don't need WINE and Windows software to run on it. Linux has a perfectly good piece of astroware called KStars. Runs on the KDE shell but you should be able to get it to run in Ubuntu's native Gnome. They may have a Gnome port of the software. Although I'd recommend installing KDE anyway. KStars is a very comprehensive program...much like Cartes du Ciel although more powerful. You can run a great variety of telescopes from the program and it's ASCOM compliant. Best part about it all...it's free
I have several dual boot systems and when I use them for anything astronomical, I boot to Linux and use KStars.