Free 2017 Total Solar Eclipse Guide

Get Ready for the Next Big Thing — America's Coast-to-Coast Total Solar Eclipse in August 2017!

North America's biggest celestial event of the decade is coming: the 2017 total solar eclipse.

On August 21, 2017, the Moon will cross the Sun's surface. While much of America will see a partial eclipse, the lucky ones on the path of totality will see the Moon block the Sun's face completely. After a flash known as the "diamond ring" — the last glimpse of sunlight passing between lunar mountains and craters — the solar corona's ethereal glow will turn the surrounding landscape into an eerie mimicry of night.

Where will you be on August 21, 2017? Download our free guide, written by Fred Espenak and Jay Anderson for our January 2016 issue of Sky & Telescope, and you'll find a state-by-state summary of observing conditions along the path of totality.

To start planning your viewing of the 2017 total solar eclipse, enter your email to download your FREE guide to the coast-to-coast eclipse. You'll also be subscribed to Sky & Telescope's free e-newsletter that will keep you up to date with the latest astronomy and observing news.

Get Ready for the 2017 total solar eclipse with this free state-by-state guideOnline Photo Gallery / Catalin Beldea / Stiinta & Technica Magazine; Processing by Alson Wong


A Sneak Peek Into This Free Eclipse Guide

Total solar eclipses offer one of the grandest doses of cosmic perspective. As the Moon's shadow rushes across the continent, it brings a chill as day turns briefly to twilight. Bailey's Beads flash to announce the start of totality, the corona will show its stripes and arcs, and winter's stars will become visible in the August daytime sky.

But these moments are brief, not more than 2 minutes and 40 seconds in all, so it's important to make the most of this event. You'll want to ensure a good observing location and clear skies.

Get Ready for America's Coast-to-Coast Eclipse by Fred Espenak and Jay AndersonSky & Telescope diagram / source: Fred Espenak

Get Ready for America's Coast-to-Coast Eclipse

by Fred Espenak and Jay Anderson

That's where the free guide comes in. Fred Espenak and Jay Anderson take you on a state-by-state tour along the path of totality: Oregon and Idaho, Wyoming and Nebraska, Kentucky, Tennessee, and Georgia, and the Carolinas. Each summary includes a weather assessment, as well as notes on specifics that might make certain locations more desirable. For example, Greatest Duration occurs in Carbondale, Illinois, and Caspar, Wyoming, will be hosting a meeting of the Astronomical League in the days before the eclipse. Plus, find cloud statistics for various eclipse sites.


Start planning for the 2017 total solar eclipse when you download Sky & Telescope's free guide!

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