KStars

KStars, available in Ubuntu is a desktop planetarium for KDE 4,program using the KDE Platform for Unix-like computer operating systems depicting an accurate graphical simulation of the night sky, from any location on Earth, at any date and time. It includes 130,000 stars, 13,000 deep-sky objects, all 8 planets, the Sun and Moon, and thousands of comets and asteroids. KStars is free software.

Features
It includes tools for astronomical calculations, and can control for telescopes and cameras.