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WELCOME TO NASA's HINODE WEBSITE!

Hinode (Sunrise), a project to study the Sun, is exploring the magnetic fields of the Sun, and is improving our understanding of the mechanisms that power the solar atmosphere and drive solar eruptions.
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Another Old Cycle Spot Appears Close to Equator
June 18, 2008

X-ray image of AR 10999
NOAA active region 10999 (AR 10999) is an old cycle spot appearing very close to the equator, but in the southern hemisphere (S03E10 on 20 Jun). The Sun still shows very little activity with no flares from 6 Jun - 20 Jun (as seen by GOES ). For an explanation of flare classes, go to Space Weather's Classification of X-ray Solar Flares. New cycle spots in the southern hemisphere will appear with positive polarity on the western (right) side of the sunspot. For new cycle spots in the northern hemisphere, the reverse is true (negative polarity to the west). Compare AR10999 with the southern hemisphere new cycle spot of 6 May, 2008. The solar surface (photosphere) has has had only two numbered spots June 11 - June 20, 2008 (see the Solar Monitor).

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Hinode is led by the Japanese Aerospace Exploration Agency (JAXA) in collaboration with NASA, the Science and Technology Facilities Council (STFC), and the European Space Agency (ESA). Hinode is a Japanese mission developed, launched and operated by ISAS/JAXA, in partnership with NAOJ, NASA and STFC (UK). Additional operational support is provided by ESA and NSC (Norway).



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Last Updated:
July 11, 2008