Adastra Plus is a complete astronomy experience, with real-time sky, comprehensive reports, arcsecond accuracy, and exciting events such as animation and live orbital tracking. Two encyclopedic reference sources interactively link to the sky display, with planets, comets, asteroids, DSOs, and a multitude of stars. Let Sky Quiz quickly build familiarity with your local sky, as TimeLine shows the effects of precession through the millennia...

Experience accessible astronomy with a real-time sky, comprehensive reports, arcsecond accuracy, and exciting events such as animation and live tracking. Easy mouse-manipulation of the sky brings planets, comets, asteroids, DSOs, and a multitude of stars to your fingertips in real-time.
And let TimeLine graphically show the effects of precession down through the millennia...