It's great! Just look at all these features...
sky
* over 120,000 stars from the Hipparcos catalogue with info
* asterisms and illustrations of the constellations
* images of nebulae
* realistic Milky Way
* very realistic atmosphere, sunrise and sunset
* the planets and their satellites
interface
* a powerful zoom
* time control
* multilingual interface
* scripting to record and play your own shows
* fisheye projection for planetarium domes
* spheric mirror projection for your own dome
* graphical interface and extensive keyboard control
visualisation
* equatorial and azimuthal grids
* star twinkling
* shooting stars
* eclipse simulation
* skinnable landscapes, now with spheric panorama projection
customisability
* add your own deep sky objects, landscapes, constellation images, scripts...
