Surya Grahan 2020: What not to do during solar eclipse

Surya Grahan 2020: A total solar eclipse (Surya Grahan 2020) is all set to take place on December 14 (Monday) when the skygazers will get a chance to witness the 2020’s last solar eclipse from Temuco, Villarrica, Sierra Colorada situated in Chile and Argentina.

A partial solar eclipse will be visible in key places like the Pacific Ocean, Antarctica and south of South America.

According to timeanddate.com, the partial eclipse would start on December 14 at 7.04 PM (IST), while the full eclipse will occur at 8:02 PM (IST) and will reach its peak at 9:43 PM (IST). It will end on December 15 at 12:23 (AM) IST. Two minutes and 10 seconds would be the longest possible duration of totality.

What not to do during December 14 solar eclipse (Surya Grahan 2020)

1. People should use safe viewing equipment and proper techniques while witnessing the solar eclipse

2. The infrared and ultraviolet rays from the Sun can cause retinal damage.

3. Ordinary sunglasses, X-ray film, negative film, smoked glass, polarising filter etc are not safe and are not recommended to view the solar eclipse.

4. Do not look at the reflection of solar eclipse in water, coloured or otherwise.

5. The remaining light that appears after the moon covers the Sun’s 99% surface is also intense enough to damage the eye.

How to safely view the solar eclipse (Surya Grahan 2020)

1. Scientists recommend the use of proper solar filters with certified optical density against radiation.

2. The safest option are aluminised mylar films with approved thickness and transmittivity coated with black polymer for use in solar goggles.

3. A safe material used as solar filter is welder glass number 14.

4. The best method is a pinhole camera or a telescopic projection on a suitable surface.