technical support

We have specific support pages for each product that you should use in trouble-shooting or finding out the latest information on your particular version of Starry Night. The individual pages all have detailed FAQ's, as well as information on downloading databases, updating orbital elements for satellites, comets and asteroids, add ons, telescope plugins and more.

Please select your version of Starry Night. Note that the free download trial version of Starry Night Backyard is the Starry Night Backyard ESD version.

You may also search our Technical Support FAQ pages by entering some keywords below.

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Software Update Patches

Starry Night software update patches are released to fix bugs in the programs and update on new features. Please check the software update patches page for patch download.

Customer Registration

Once you sign up as a registered customer, we will automatically send you information on software updates. Your registration ensures that you are a preferred customer with discounts on upgrades and special prices for future products. Your comment and suggestions for improvements to the software are always welcome.

Starry Night Discussion Lists

Join the Starry Night discussion list to exchange ideas and ask questions with other Starry Night users. We read and respond to members' questions too so this is often one of the best ways of getting answers quickly.

Starry Night Plugin SDK

The Starry Night plugin SDK is needed to develop plugins for Starry Night. This cross-platform (Mac and Windows) SDK contains example plugins, headers for creating your own plugins and other information. Since the SDK is being constantly updated please check back here from time to time (or use the Plugin writers discussion list) to check for updates. Two examples are included, one of which is a SETI plugin.

Download SDK Version 1.0 (Windows, .ZIP) (333k)
Download SDK Version 1.0 (Mac, .SIT) (308k)

Both downloads contain the exact same set of files, only the compression is different.

Information for Educators

For the student and teacher guides for Pro and Backyard, please check the information page for educators.

Still confused? provides technical support to registered users of Starry Night through email at We're a small but dedicated team so please allow a couple of days for us to get back to you. Before emailing, please be sure to check the specific support page for your version of Starry Night to see if your question has been answered. You may also call us at (416) 410-0259 Monday through Friday 9:00 AM to 5:00 PM (Eastern Standard Time).