MacAstronomica generates sky maps at any time, from anywhere on Earth.The maps show all the planets and stars visible to the naked eye, aswell as some galaxies and nebulas, the Ecliptic, meteor showers and theMilky Way. Constellations are drawn in their traditional form, and atable lists the visible objects. MacAstronomica also features an Orrerythat simulates the solar system, a sundial/moon dial, and a lot more.The interface is very elegant and easy to use. And finally,MacAstronomica lets you print customized sky maps.