Portable Stellarium 24.1 (x64) Multilingual




Stellarium Portable, a free open-source planetarium software, is an invaluable tool that is designed to enable you to explore and visualize the night sky from your computer! It is a powerful and user-friendly software that can provide you with an immersive experience that is ideal for amateur astronomers, stargazers, and professional astronomers alike!

Stellarium Portable is an open-source 3D planetarium software that is designed to help you explore the night sky from anywhere on Earth. The software provides a realistic and high-resolution simulation of the sky that can be customized according to your location and time zone. Stellarium uses a graphical user interface that enables you to navigate the sky using your computer mouse, keyboard, or touchscreen. The software provides a wide range of features and settings that are easy to access, including options to adjust the time and date, change the viewing location, set up telescopes and observation equipment, and much more.

One of the key features of Stellarium is its ability to provide accurate and up-to-date star catalogs. The software uses data from a variety of reputable sources, including the Hipparcos and Tycho-2 catalogs, which are widely recognized as some of the most precise star catalogs available. The software also provides accurate representations of planets, moons, and other celestial objects, all of which can be viewed in high-definition 3D graphics.

Stellarium also includes a range of sky objects, including both natural and artificial objects. In addition to stars, planets, moons, and other celestial bodies, you can also view constellations, meteor showers, comets, and more. The software also includes a host of deep sky objects, such as galaxies, nebulas, and star clusters, which can be viewed in stunning detail. You can easily search for specific objects using the search bar, and once you’ve found them, you can zoom in and explore them in more detail.

One of the most significant advantages of Stellarium is its user-friendliness. The software is simple to install and use, even if you are a beginner. It provides real-time updates of the sky that make it easy to keep track of astronomical events such as meteor showers, eclipses, and other celestial events. Additionally, it supports multiple languages, so you can use the software in your preferred language.

Another advantage of Stellarium is its customization options. You can customize your software by changing its appearance to match your preferences, including changing the sky color, the level of light pollution, and adjusting the brightness and contrast. You can also add new objects to the sky, such as asteroids, satellites, or even extraterrestrial landscapes!

Overall, Stellarium Portable is an excellent resource that is ideal for anyone who wants to explore the night sky. With its accurate and up-to-date star catalogs, impressive 3D graphics, and user-friendly interface, it provides an immersive experience that is both informative and enjoyable. Additionally, its customization options make it an excellent tool for anyone who wants to customize their sky simulation to match their preferences and interests. Whether you are a beginner or an experienced astronomer, Stellarium is an invaluable tool that can help you discover the mysteries of the universe!

Interactive 3D environment for celestial exploration

As soon as you run the application, it opens in full screen mode. With just one click on the sky, you can get details about the aimed object, namely type (e.g. star, double star, cluster associated with nebulosity), magnitude, galactic longitude and latitude, parallax, distance, spectral type, and angle.

Fill out information to examine specific objects

The objects can be viewed with the use of a telescope, which can be configured in terms of name, focal length and diameter. Plus, you can pick a location on the map and select the latitude, longitude, altitude and country to jump to it.

Examine past constellations easily

An interesting feature offered by this program is the possibility to travel back in time and see the constellations’ positions and other details on the sky. You only need to set the date and time in the dedicated dialogs, and Stellarium automatically generates projections from that period.

Show or hide specific objects

Furthermore, you can adjust the Milky Way brightness and make the program show the atmosphere, shooting stars and planet orbits, as well as view information about the celestial sphere (e.g. equatorial grid, cardinal points, Azimuthal grid).

Stellarium allows users to select the projection mode (fish-eye, cylinder, Mercator), view landscapes from different world locations and add new ones from ZIP archives, and learn about different sky cultures.

Resort to handy tools

You can perform searches for finding objects on the sky, navigate throughout the 3D environment with the use of keyboard shortcuts (which can be reassigned) or the mouse, toggle between daytime and nighttime, enable the ocular viewing mode, and view deep-sky objects.


  • Realistic simulation of the sky, sunrise and sunset
  • Default catalogue of over 600,000 stars
  • Downloadable additional catalogues for up to 210 million stars
  • Catalog data for all New General Catalogue (NGC) objects
  • Images of almost all Messier objects and the Milky Way
  • Artistic illustrations for all 88 modern constellations
  • More than a dozen different cultures with their constellations
  • Solar and lunar eclipse simulation
  • Photorealistic landscapes (more are available on the website)
  • Scripting support with ECMAScript (a few demo scripts are included)
  • Extendable with plug-ins: 8 plug-ins installed by default, including:
  • artificial satellites plug-in (updated from an on-line TLE database)
  • ocular simulation plug-in (shows how objects look like in a given ocular)
  • Solar System editor plug-in (imports comet and asteroid data from the MPC)
  • telescope control plug-in (Meade LX200 and Celestron NexStar compatible)

The major changes of this version:

Added low graphics mode
Improvements in plugins and AstroCalc tools
Improvements in Scripting Engine
Updates in Core

Behind the scenes, many more minor issues were fixed.






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