Projects / Xplns


Xplns is a free astronomy simulation software written specifically for Unix. It reproduces real starry sky on your display of X Window System. It calculates the position of many celestial objects accurately. You can enjoy the past and future sky on the desk top as if you have traveled all around the world.


Recent releases

  •  23 Dec 2003 04:10

    Release Notes: The orbit data for many comets and minor planets were added. A new toolbar button was added to perform "Play forward/reverse and stop". Another language resource in Dutch was added. Some bugs were fixed.

    •  27 Mar 2002 19:14

      Release Notes: There is some 'all-sky mode' support. You can drag the star chart to move the view port. The zoom up/down button now grabs mouse up/down. An external image viewer is no longer needed to look at images. A pseudo color mode is supported. The information box shows the rise/set time of the object. Wheel mice are supported. There is a new "picture-mark" menu item.

      •  27 Feb 2001 08:18

        Release Notes: Internationalization, i.e. multi-language support, sky mark and user defined objects searching, the ability to save a screen image as an xpm file, and a set of images of solar objects, nebulae and galaxies have been added. Xplns now has a user configurable object description feature. It provides a default site configuration. There is a mode-less "What's Today" dialog. An uninstall script for slackware linux has been added. Bugfixes.

        •  11 Jun 2000 13:56

          Release Notes: The SAO and GSC star catalog is now supported, the guide line is now customizable, a "Center" menu has been added to the centering object, the comet and minor planet function has been extended, an outline of Sun/Moon has been added, and many bugfixes have been made.

          Recent comments

          04 Jan 2003 19:39 rrowell

          Binary only, no glibc2.3 support as of 2003/01/04
          Another nice astronomy package. I like the interface better then xephem's. However xephem is OSS as where this is closed. No glibc2.3 binaries at time of writing.

          28 Apr 2000 15:57 mutex

          x86 architecture only
          After downloading this progam's 2 Linux
          versions I found that they are pre-compiled as x86
          architecture executables. The REQUIREMENTS section
          should be updated with this fact. No source either.


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