On 22 July 2009, Wednesday a total eclipse of the Sun is visible from within a narrow corridor that traverses half of Earth.A spectacular total eclipse, lasting over 6.5 minutes at maximum and visible to millions of people over a path up to 258 km wide.
The path of the Moon's umbral shadow begins in India and crosses through Nepal, Bangladesh, Bhutan, Myanmar and China.
A partial eclipse is seen within the much broader path of the Moon's penumbral shadow, which includes most of eastern Asia, Indonesia, and the Pacific Ocean.
A Total Solar Eclipse will be visible in India on 22 July, 2009 from early morning 05:28 hrs to 07:40 hrs according to IST -Indian Standard Time.The total solar eclipse will last nearly four minutes from 6.26 am to 6.30 am in India and the sun will not be visible at all.
After leaving mainland Asia, the path crosses Japan's Ryukyu Islands and curves southeast through the Pacific Ocean where the maximum duration of totality reaches 6 min 39 sec. The partial eclipse will be visible over south-east Asia, Malaysia, Indonesia and the Pacific between 23:58:19 UT on July 21 and 05:12:25 UT on July 22.
This eclipse is called as total solar eclipse and it is sixth total solar eclipse for this decade. A total eclipse occurs when the Sun is completely hidden by the Moon. The intensely bright disk of the Sun is replaced by the dark silhouette of the Moon, and the much fainter ring called corona is visible. This eclipse is a 6-minute plus eclipse, the longest of the 21st century.
Viewing the Sun after totality can be dangerous. Hence do not view the sun after eclipse as it emits highly hazardous rays. While in Photographing, do take proper precautions to safeguard your eyes.
The sun when viewed through the view finder of the camera might affect the retina of the eyes, which might even be a cause for losing our eyes. One of the most widely available filters for safe solar viewing is shade number 14 welding glass, which can be obtained from welding supply outlets.