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HINODE SEES ECLIPSE
17 February 2007
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Researchers used Hinode data from the 2007 February 17 partial eclipse to
accurately calibrate the amount of stray light of the telescopes.
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A lunar eclipse, as seen from the Earth's surface, occurs when Earth comes between the Moon and the Sun. Light from the Sun "bends" around Earth's atmosphere and dims and reddens the light of the "Full Moon," making the Moon appear a ruddy red. A solar eclipse is caused when the Moon comes between the Earth and the Sun ("New Moon") a phenomenon that allows us to view the dim solar corona. On February 17 however, the Moon came between the spacecraft Hinode and its observing target, the Sun. At such times, researchers on the ground can take advantage of the fact that the Moon has no atmosphere (or VERY little) and thus, lunar craters are starkly outlined against the bright solar disk. The map above, shows the track of Hinode, above the lunar pole and shows which craters were seen by Hinode on the limb (edge) of the Moon. Click on the map above to see the craters referred to by number in the images below. Identification of the craters was done by Dr. Soma, assistant professor of the division of optical and infrared astronomy at the National Astronomical Observatory of Japan (NAOJ). All images on this page are courtesy of NAOJ and more information on this topic may be found on their pages HERE.
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Movie using the Solar Optical Telecsope
Movie using the X-ray Telescope
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