EasySky

EasySky is an outstanding astronomy software that will show you the complete night sky and our solar system in a 3D view with the planets, comets, and asteroids from any place at any time.
Here are some key features of "EasySky":
ï¿­ Multiple Document Interface (MDI) - more than one window simultaneously
ï¿­ Huge database
ï¿­ PPM with 340,000 stars included
ï¿­ GSC with 15 million stars supported
ï¿­ NGC, Messier with more than 13,000 objects
ï¿­ All asteroids (converter for update included)
ï¿­ Comets
ï¿­ Freely definable horizon (mountains, houses, ...)
ï¿­ Animation with all objects in real time or arbitrary steps
ï¿­ Fixing of an arbitrary object in the screen center
ï¿­ Animation of Jupiters satellites
ï¿­ Trails of planets, asteroids, and comets
ï¿­ Printing of star charts
ï¿­ 3D solar system view
ï¿­ Different animation possibilities also in the solar system
ï¿­ Location and time arbitrarily eligible
ï¿­ Settings can be saved as documents and later be loaded again
ï¿­ Many images of galaxies, planets - "slide show"
ï¿­ Realistic display by the use of grey levels
ï¿­ Colors freely adjustable (user dependent)
ï¿­ Keyboard shortcuts for quicker handling
Limitations:
ï¿­ Sky view:
ï¿­ Stars only to 7 m
ï¿­ no GSC
ï¿­ Deep-Sky objects only to 10 m
ï¿­ only numbered asteroids
ï¿­ no user asteroids
ï¿­ no user objects
ï¿­ no calculation of ephemerides
ï¿­ only 2 simultaneous trails possible
ï¿­ shows up "Demo Version" (also in printouts)
ï¿­ Solar system view:
ï¿­ only numbered asteroids
ï¿­ "sitting on objects" not possible
ï¿­ only 2 simultaneous orbits possible
ï¿­ only 2 simultaneous markers possible
ï¿­ shows up "Demo Version" (also in printouts)