Dedicated to the safe observation of the
A Total Solar Eclipse is Coming to the United States!

Get your eclipse glasses NOW!
(You're going to need them!)
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"...And we'll see YOU... in the shadow!!"

What is a total solar eclipse?

Let's get more technical!



Please see our blog post about eclipse calculations first!

Then, you can enjoy studying the "Besselian Elements" for the 2017 total eclipse:


Besselian Elements for the total solar eclipse of August 21, 2017


These were calculated by none other than "Mr. Eclipse" himself - Fred Espenak!
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