Archives For November 30, 1999

KStars

KStars, an open-source and cross-platform Astronomy Software, has reached 2.7.0 release with speed improvements, better cross-platform support, and Android mobile/tablet support.

KStars provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time. The display includes up to 100 million stars, 13,000 deep-sky objects,all 8 planets, the Sun and Moon, and thousands of comets, asteroids, supernovae, and satellites. For students and teachers, it supports adjustable simulation speeds in order to view phenomena that happen over long timescales, the KStars Astrocalculator to predict conjunctions, and many common astronomical calculations.

KStars 2.7.0 features:

  • much better experience on embedded devices such as Raspberry PI
  • object internet lookup from online catalogs
  • Ekos GUI improvements, especially on low-resolution displays.
  • guide module rewritten to support multiple external guiders
  • guide drift graphics written, minor improvements to alignment module, significant updates to Focus module.
  • And much more, see the official announcement.

How to install KStars 2.7.0 in Ubuntu 16.04, 16.10:

1. Open terminal (Ctrl+Alt+T) and run command to add the PPA:

sudo add-apt-repository ppa:mutlaqja/ppa

Type in your password when it asks (no visual feedback) and hit Enter.

2. After added the PPA, run commands in terminal to update the index and install the software:

sudo apt update

sudo apt install indi-full kstars-bleeding

3. (Optional) To uninstall KStars, simply run apt command with remove option:

sudo apt remove indi-full kstars-bleeding && sudo apt autoremove

And the PPA can be removed via System Settings -> Software & Updates -> Other Software tab.

Free planetarium software Stellarium has reached 0.13.2 release with over 70 bug-fixes and new nice features – like visualization of the zodiacal light and new sky cultures.

Stellarium is a free and open source planetarium software that uses OpenGL to render a realistic projection of the night sky in real time. It works in Windows, Mac OS X, and Linux.

According to the changelog, the new release fixed below important bugs:

  • The orbits of Neptune’s moons are not rendered correctly
  • fail to start stellarium compiled by Qt5.3.1
  • No disk in station F on start
  • Mac OS X Yosemite 10.10 mouse bug
  • Unable to select objects after zoom.
  • The textures of Hyperion (Saturn VII) fails to render.
  • Wrong value of proper motion for some stars
  • Memory leak in 64-bit version
  • Visual artifacts on the Moon
  • Insufficient OpenGL version for 0.11.96.MESA-win32

Other bug fixes and installer for Windows and OS X are available at launchpad page.

Install / Upgrade Stellarium in Ubuntu:

For Ubuntu 14.04, Ubuntu 14.10, Ubuntu 15.05 and Linux Mint 17 users, latest Stellarium packages are available in PPA repository.

To add the PPA, open terminal from the Dash or by pressing Ctrl+Alt+T on keyboard. When it opens, run command:

sudo add-apt-repository -y ppa:stellarium/stellarium-releases

After that, you can upgrade Stellarium by running Software Updater and installing updates. Or run below command to install the software:

sudo apt-get update; sudo apt-get install stellarium