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  Solar Eclipse: Astronomy: Solar Eclipse - TURNING OFF THE SUN
Posted on Tuesday, December 07 @ 13:51:30 CST by astronomy
  Solar Eclipse


As with any observation of the Sun, you must take special precautions before viewing a solar eclipse. However, it is not dangerous to be outdoors, as some over-cautious warnings may lead you to believe. You can watch the progress of the eclipse through a telescope rigged for solar observation or you can hand-hold a solar filter.

When the Moon has fully covered the Sun, you can look directly with the naked eye, but you must turn away as soon as the Sun begins to reappear.

There are many ways to record an eclipse. To photograph the partial stages, use the same techniques as you would for the uneclipsed Sun. During totality, other kinds of photographs become possible.

Videotaping an eclipse provides a record of the whole event—including all the enthusiastic (and often funny) comments from bystanders. You will need a camcorder, a solar filter, a tripod or a telescope mount, and adequate power (plenty of batteries or a line-current adapter). You can remove the filter during totality, but be ready to replace it when the Sun starts to reappear at the end. The Earth's rotation will carry the Sun and Moon two solar diameters every tour minutes. You will either have to track them with the camcorder on an equatorial mount, or zoom back enough that they stay within the frame.




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