Star charts show the arrangement of stars in the sky, in a style that can be scientific, artistic or both, depending on the intended use.

Star charts and enlisting support are powerful ways to modify behavior.

Using Your Sky Tonight Star Chart: First, check your location. The chart should do this automatically, but if you'd like a chart for a different location you may enter it. Zip codes will do.

Star Chart is a free app that makes the experience more informative, though. It tells you exactly what you’re seeing based on your location.

The Explore the Sky section of the Seeing in the Dark website, based on a documentary by Timothy Ferris, provides tools for exploring the sky, including star charts, how-to videos, an internet ...