![]() On August 21, 2017, this will happen only within the roughly 70-mile-wide path of the Moon's dark inner shadow from Oregon to South Carolina - and only for a minute or two. That exception is during totality, when the Moon completely blocks the dazzlingly bright face of the Sun. The #1 rule for observing a solar eclipse, or for looking directly at the Sun at any other time, is safety first.Īs noted elsewhere on this site, with one exception, it is never safe to look directly at the Sun without a special-purpose safe solar filter. So now we suggest that you make sure you get (or got) your eclipse viewers from one of the suppliers listed on our Reputable Vendors of Solar Filters & Viewers page. But now the marketplace is being flooded by counterfeit eclipse glasses that are labeled as if they're ISO-compliant when in fact they are not. ![]() ![]() We used to say that you should look for evidence that they comply with the ISO 12312-2 international safety standard for filters for direct viewing of the Sun. ![]()
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