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A welding glass that permits you to see the landscape is not safe. One of the most widely available filters for safe eclipse viewing is a #14 (or darker) welder's glass. Such filters usually have a thin layer of aluminum, chromium or silver deposited on their surfaces. However, you must never look through the binoculars at the sun.Ģ) Filters: The sun can be viewed directly only when using filters specifically designed for this purpose. You can also use binoculars to project a magnified image of the sun on a white card. Projected images of the sun's crescent during an eclipse may even be seen on the ground in the small openings created by interlacing fingers, or in the dappled sunlight beneath a leafy tree. An image of the sun will be seen on the screen. Place a pinhole or small opening in a card, and hold it between the sun and a screen – giant sheet of white paper works – a few feet away.
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And, remember, don't use regular sunglasses - they don't offer your eyes sufficient protection.ġ) Projection: The safest and most inexpensive way to watch a partial solar eclipse is by projection. No matter which recommended technique you choose, do not stare continuously at the sun. Listed below are a few ways of safely watching the eclipse. Even during a partial eclipse, when only a very small part of the sun is visible, viewing it without eye protection risks permanent eye damage or blindness. However, it is never safe to look at the sun with the naked eye. 23 eclipse is of less scientific interest, but it still makes for a great view! Total eclipses provide views of that atmosphere, which we otherwise can only get with specialized telescopes – both in space and on the ground - that block out the bright light of the sun.
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Throughout history, total eclipses, in which the entire sun is blocked from view, have offered scientists the chance to see the faint light of the sun's atmosphere called the corona, without its being overwhelmed by the sun itself. › Images of previous solar eclipses: 2012 | 2013 › Share your photos of the eclipse with NASA Find out when it happens in your area with this list of eclipse times in major U.S. Partial eclipses occur when the moon blocks part of the sun from view. 23, 2014, a partial solar eclipse will be visible from much of North America before sundown.