Will you be ready for the 2024 solar eclipse?
Use the link below to purchase eclipse glasses directly
from the Adirondack Sky Center and Observatory!
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Regional Design
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Totality in Tupper Design
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Eye Safety During a Total Solar Eclipse
It is not safe to look directly at the Sun without specialized eye protection for solar viewing, except during the brief total phase of a total solar eclipse, when the Moon completely blocks the Sun’s bright face.
Viewing any part of the bright Sun through a camera lens, binoculars, or a telescope without a special-purpose solar filter secured over the front of the optics will instantly cause severe eye injury.
When watching the partial phases of the solar eclipse directly with your eyes, which happens before and after totality, you must look through safe solar viewing glasses (“eclipse glasses”) or a safe handheld solar viewer at all times. Eclipse glasses are NOT regular sunglasses; regular sunglasses, no matter how dark, are not safe for viewing the Sun. Safe solar viewers are thousands of times darker and must comply with the ISO 12312-2 international standard.
Always inspect your eclipse glasses or handheld viewer before use; if torn, scratched, or otherwise damaged, discard the device. Always supervise children using solar viewers.
Do NOT look at the Sun through a camera lens, telescope, binoculars, or any other optical device while wearing eclipse glasses or using a handheld solar viewer — the concentrated solar rays will burn through the filter and cause serious eye injury.
If you don’t have eclipse glasses or a handheld solar viewer, you can use an indirect viewing method, which does not involve looking directly at the Sun. One way is to use a pinhole projector, which has a small opening (for example, a hole punched in an index card) and projects an image of the Sun onto a nearby surface. With the Sun at your back, you can then safely view the projected image. Do NOT look at the Sun through the pinhole!
Information Credit: NASA
A crowd uses handheld solar viewers and solar eclipse glasses to safely view a solar eclipse.
Photo Credit: National Park Service
