WinStars 3 – A free planetarium application for Windows, macOS X, iOS, Android, Linux and Raspberry Pi.

The Universe in your computer

WinStars 3 is a free multi-platform planetarium that accurately represents celestial objects at a given moment. It also allows you to virtually travel through our solar system, the Milky Way, and the nearest galaxy clusters. Additionally, a dedicated news feed keeps you up-to-date with the latest discoveries in astrophysics, which can be visualized within the software. WinStars is a constantly evolving software, with new features regularly added to make it a tool dedicated to the exploration of our Universe.

Blog

The comet Tsuchinshan-ATLAS: A new Great Comet?

The comet Tsuchinshan-ATLAS (full name – C/2023 Tsuchinshan-ATLAS) is an Oort cloud object discovered on January 9, 2023 by the Tsuchinshan (Purple Mountain) Observatory, located on the eponymous mountain near Nanjing in the People’s Republic of China. On February 22, 2023, it was independently discovered by the South African telescope of the ATLAS robotic system, …

Gratuity, social networks and latest changes

A few important changes in recent weeks: the software is now completely free of charge and is moving definitively to Qt 6.X. It is enriched with new features and integrates the Chromium browser, which improves the visualization of pages written in html (this only concerns the “Info” section for the moment). I rechecked the accuracy …

JUICE Launch: Exploring Jupiter’s Galilean Moons

On April 14, 2023, the European Space Agency’s (ESA) JUICE (JUpiter ICy moons Explorer) mission was launched aboard an Ariane 5 rocket towards Jupiter’s natural satellites. The spacecraft will fly by Callisto, Europa, and Ganymede multiple times before entering orbit around Ganymede in December 2034 for an in-depth study that will conclude in September 2035. …

Download

Windows 7/8.1/10/11

Release 3.0.301 (2023/12/28):
 
If the program indicates a problem with the Internet connection, please consult the following link.
 
To update an existing WinStars3 installation, please use the MaintenanceTool.exe located in the main WinStars3 folder (usually c:\program files\winstars3).

Android

Available on Google Play:

https://play.google.com/store/apps/details?id=net.winstars3

macOS X & iOS

Due to Apple’s decision to abandon x86 processors, I am no longer able to compile the project.
W3 is therefore no longer compatible with macOS & iOS.

Ubuntu 22.04 x64 LTS or later

Release 3.0.298 (2023/12/04):

Please follow the installation procedure

Raspberry Pi 4 (Raspberry Pi OS 64b Bullseye)

Release 3.0.301 (2024/01/03):

Please follow the installation procedure