Sky Guide has seen many updates in its eight-year history but this latest update is something more. Version X not only adds gorgeous aurora effects, ultra-realistic sky shading, 3D constellation art and a completely redesigned search UI — it also turns the page to the next chapter in the Sky Guide story, bringing an award-winning experience to more people than ever before. That’s because the base version of Sky Guide is now free.

What’s New in Sky Guide X?

Aurora Effects

We don’t all live near the polar circles, but those auroral displays sure can be beautiful. Now you can add some ethereal charm to your evening stargazing — without all the cold weather gear! Look in Main Menu > Preferences to switch on Aurora whenever you please.

Ultra-realistic Sky Shading

The sky appearance in Sky Guide looks more real than ever before, representing day, twilight, dusk and night with exceptional accuracy. This is thanks to a physics-based computation known as atmospheric multiple scattering. You can also toggle Stars fade during day if you want star appearances to more closely match reality.

3D Constellation Art

We've breathed new life into the mythological representations that appear with the constellations, adding both charm and better visual quality. You might say this new art is not so ruff around the edges.