Your night sky map on the internet

Download the interactive night sky map

The AstroViewer software is an interactive night sky map, that you can download and install on your computer.

Run AstroViewer on Windows, Linux or Mac operating systems

Follow these steps:

  1. Make sure you have a JavaTM runtime environment on your computer. You can obtain one on .
  2. Download AstroViewer 3.1.6 and store it in a directory of your choice.
  3. Run AstroViewer 3.1.6 by executing the downloaded file av3-1-6.jar .

License key

When you start the AstroViewer software you will be asked for a license key (AstroViewer has formerly been shareware). Please enter the following key:

ZftL GDrn NJ+n Xk8m /LgU Kyk7

Please note that the license key is case-sensitive. Best copy and paste it.