See the night sky in unique brilliance, travel to the stars and to strange, new galaxies, land on celestial bodies or orbit the Earth in real time.

Plan your observations of the sky and control your telescope. Enjoy the many new features, the modern interface and a particularly simple operation!

€ 99,-

All prices incl. VAT + possible shipping

An update for Redshift 9 Premium is available.
This update is only required if you purchased the Windows download version via our websites redshiftsky.com or usmgames.com between June 2024 and July 2025.

This update is NOT required

• if you purchased the software via the Microsoft Store
• if you are using the version for Apple/Mac
• if you purchased the DVD-ROM
• if you purchased the Windows download after July 17, 2025

New features:

• Improved display of animations
• Improved display of the tail of comets
• Optimization of the update function in the program

Please download the update by clicking on the button. Save the installation program on your PC. Then start it with a double-click and follow the instructions on the screen.

• Virtual planetarium to simulate the sky, with impressive representation of the movement of all celestial bodies and constellations
• 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 4713 B.C. and 9999 A.D.
• Visualization of the apparent motion of the sun, planets, moons, comets and asteroids in the night sky

• Exact position calculation and motion simulation of over 100 million stars, 1 million deep sky objects, 1.2 million asteroids
• Additional online access to the USNO B1.0 and Gaia DR3 catalogs with 1.8 billion stars

• Impressive flights through space to planets, moons, asteroids, spacecraft, stars and to distant galaxies, going even beyond the boundaries of the Milky Way
• 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, star clusters and entire galaxies

• Positionally accurate landing on planets and moons to observe the sky from there, an orbit or 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, highest accuracy of trajectoriy data by using numerical integration

• Detailed introduction to astronomy with 29 chapters on the basics, astronomical events and missions
• With many pictures, videos and animations

• Convenient observation planner with clear visibility information
• Add your personal objects of interest to the observation planner

• A comprehensive Sky Diary lists all astronomical events, with observation info for your standpoint
• Clear selection of solar and lunar eclipses, conjunctions, meteor streams and other astronomical eventsAll sky events can be simulated directly, with just one click
• Preview window for today’s sky events

• Includes 45 deep space missions
• Watch the journey of famous space probes like Voyager oder James Webb Space Telescope – animated tours explain the mission phases

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

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

• Enjoy animated previews of the passage of any object over the night sky with just one click
• Control window for precise navigation in the sky view
• Let Redshift 9 adjust the display options automatically or adjust them manually
• 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

• Powerful search function to quick find any object – by entering the name or direct access to selection lists for all types of celestial bodies
• Selection lists for all types of celestial bodies
• Separate categories for stars with exoplanets and for known novae and supernovae
• Optional flights to the objects, direct positioning of the sky view, display of astronomical information or hints for observation

• Multi-window function for simultaneous display of celestial events from different viewing angles and distances
• Time synchronization of the view windows

• Special eclipse map illustrates the exact path of solar eclipses
• Eclipse preview animations and detailed info for any place from where the eclipse can be observed

• Real-time tracking of thousands of satellites and space probes
• Sat track map showing the path of any satellite over the Earth’s surface
• Detailed 3D models of the ISS and other spacecraft let you enjoy spectacular views

• Telescope control for telescopes with Meade and Celestron interface
• Support of ASCOM Alpaca standard

• 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

• OS: Win11/10 or Mac 10.13 or higher
• DVD ROM drive (not for download)
• Internet access for online features