Stellarium Portable 0.12.1 the popular Stellarium astronomy program packaged with a PortableApps.com Launcher as a portable app so you can view the stars on the go. This release updates Stellarium to the latest version. It's packaged in PortableApps.com Format so it can easily integrate with the PortableApps.com Suite. It supports upgrades by installing right over an existing copy, preserving all settings. And it's open source and completely free.

Stellarium Portable is a 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. You can view the planets and gaze at the stars in stunning detail. Stellarium includes vivid illustrations of the constellations and a theatrical display of ravishing nebulae and galaxies. With Stellarium Portable, you can transform any computer into a stargazing centerpiece. It is being used in planetarium projectors. Just set your coordinates and go.

FEATURES

- Sky
* default catalogue of over 600,000 stars
* extra catalogues with more than 210 million stars
* asterisms and illustrations of the constellations
* constellations for twelve different cultures
* images of nebulae (full Messier catalogue)
* realistic Milky Way
* very realistic atmosphere, sunrise and sunset
* the planets and their satellites
- Interface
* a powerful zoom
* time control
* multilingual interface
* fisheye projection for planetarium domes
* spheric mirror projection for your own low-cost dome
* all new graphical interface and extensive keyboard control
* telescope control
- Visualisation
* a powerful zoom
* time control
* multilingual interface
* fisheye projection for planetarium domes
* spheric mirror projection for your own low-cost dome
* all new graphical interface and extensive keyboard control
* telescope control
- Customizability
* plugin system adding artifical satellites, ocular simulation, telescope configuration and more
* ability to add new solar system objects from online resources...
* add your own deep sky objects, landscapes, constellation images, scripts...

NOTE:
In addition to those in the assembly, are available for 5 star catalog of new parts, totaling 17 MB of hard disk. Number of stars: 7.7 million, a range of magnitudes: 12 - 13.5.
You can install them to see more stars. To do this, go to: Configuration - Service - Upgrades catalog stars. Next, the program will perform all by herself.

Release of Stellarium version 0.12.1 is now available.
- New features: Caldwell catalog for nebulae, re-packed star catalogs (Hipparcos and Tycho-2), delta-T manager, star magnitude limit control, localization for Windows installer, updates textures of galaxies and nebulae and various small GUI changes. The release has over 30 closed bugs in the core application and plugins.
- We updated the configuration file and the Solar System file, so if you have an existing Stellarium installation, it is possible that you need to reset the settings after you install the new version