Stellarium 0.21 is planetarium software that shows a realistic 3D simulation of the night sky on your computer screen. It includes a default catalog with more than 600,000 stars, images of nebulae, the actual Milky Way, as well as planets and their satellites (additional catalogs are available for download). You can click on each object to see the name, distance and other details, and also zoom in for a closer look.
The program can display the sky based on your current geographical location or any other place on earth. It also allows you to simulate movements by going back in time at different speeds.
Other features include very realistic atmospheres, sunrise and sunset simulations, star sparkle effects and shooting stars, skinned landscapes, constellations for eleven cultures different chemistry, night vision mode and more.
The Stellarium application was developed to be free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It is being used in planetarium projectors. Just set your coordinates and go. Stellarium is the popular Stellarium astronomy program, so you can take your astronomical viewing settings with you. It has all the same great features as Stellarium including constellation drawing, star names, planet viewing, nebulae watching, and more. Plus, it leaves no personal information behind on the machine you run it on, so you can take your favorite astronomy program with you wherever you go.
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 targeted object, specifically 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 catalog of over 600,000 stars
Downloadable additional catalogs for up to 210 million stars
Catalog data for all New General Catalog (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:
Updated designations of stars and handling of list of designations and common names stars
Updated Almagest and al-Sufi skycultures
Many changes in plugins
Many fixes in core and plugins for support HiDPI devices
Enhancements in visualization of markings and in scripting engine
Stellarium 0.21.1 free || 536.8 MB
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