Redshift 9

Explore the universe from your screen with the award-winning professional Astronomy software Redshift.

Redshift 9 for your PC

See the night sky in unique brilliance, travel to moons, planets, and stars or orbit the Earth in real time.

The astronomy software with all features for beginners and advanced users: Enjoy the modern interface and a particularly simple operation!

29,- €

All prices incl. VAT + possible shipping

Explore the night sky

  • Virtual planetarium to simulate the sky, with impressive representation of the movement of all celestial bodies and constellations
  • Direct access to all important celestial bodies with just one click
  • Exact calculation of the position of celestial bodies based on the latest scientific data – for the current time, for tomorrow night or any other time between 1000 and 3000 A.D.

Travel through space and time

  • Impressive flights through space to planets, moons, asteroids, stars and spacecraft
  • Simulation of astronomical events from fascinating angles with just one mouse click – it’s like you were there yourself
  • Breathtaking perspectives through three-dimensional representation of celestial bodies – also available for interstellar nebulae and star clusters

Countless celestial bodies

  • Exact position calculation and motion simulation of over 2.5 million stars, 70.000 deep sky objects, 11.000 million asteroids and many other celestial bodies
  • Angle measurement and measurement of the distance between moons and planets


Find constellations

  • Direct access to all constellations with just one click
  • Simple selection of different display options

Explore the Solar System

  • Landing on the Earth’s moon to observe the sky from there, from an orbit of a planet or moon or from a freely selectable location in the solar system
  • Visualization of the moons orbiting the planets
  • Observation of asteroids and comets on their way through space

Experience eclipses

  • Calculation of all solar and lunar eclipses in an adjustable time interval, either for the whole world or for the current observation location
  • Simulation of a solar eclipse from different angles


Discover Astronomy

  • Detailed introduction to astronomy with 10 chapters on the basics, astronomical events and missions
  • With many pictures, videos and animations
  • Presentation of five well-known space missions such as Voyager and Mars 2020 in spectacular animations

Sky diary

  • A comprehensive Sky Diary lists events like eclipses, conjunctions and meteor streams, with observation info for your standpoint
  • All sky events can be simulated directly, with just one click
  • Preview window for today’s sky events

Orbit display

  • Impressive 3D display of the orbits of all planets, moons, asteroids, comets and satellites
  • Option to show and hide each orbit line in the sky view separately


Easy time control

  • Intuitive setting of observation date and time
  • Two options for date/time control allow easy visualization of astronomical processes that normally take months or years
  • Time acceleration with extra fine stepping and forward-backward time lapse

Optimized operability

  • Enjoy animated previews of the passage of any object over the night sky with just one click
  • Get supported by plenty of tools, like grids, sky guides, ecliptic and horizon lines, a compass, telrad rings and many more
  • History of 3D flights and of previously selected sky objects

Find objects

  • Powerful search function to quickly find any object – by entering the name or direct access to selection lists
  • Optional flights to the objects, direct positioning of the sky view, display of astronomical information or hints for observation

Find satellites

  • Real-time tracking of satellites and space probes
  • Detailed 3D models of the ISS and other spacecraft let you enjoy spectacular views

More features

  • Optimized for touch screen usage
  • Download of up-to-date trajectories for spacecraft, asteroids and comets
  • Localized in 8 languages: English, German, French, Spanish, Dutch, Italian, Russian, Japanese

System requirements

  • OS: Win11/Win10
  • Internet access for online features