Monday, April 12, 2010

Star Charts

A blog post from TechCrunch about the Worldwide Telescope got me thinking of other websites where you can find star charts.

Weather Underground is one place: Put in your location (or the location where you'll be when you want to use the chart), then scroll down to the Astronomy section. Click to view the star chart. On the next screen you can select items to view and also change the date to the night you'll need the chart.

Sky and Telescope has an interactive chart. You have to register (it's free). They also have a chart for your mobile phone. has an interactive StarDome (the link is at the top right of the homepage). It's Java-based and took a few minutes to load on Firefox, but it does seem to work in Firefox and Internet Explorer. Use the options to the right to specify location, time, etc. I don't see a way to print the map, however.

It is possible to Google "star chart" and get more websites. These are the ones that look easy to use and that are authoritative. Other favorites? Leave them in the comments.

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