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Pastimes : Is anyone watching the sun lately?
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From: Gersh Avery9/18/2012 7:54:02 PM
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INCOMING ACTIVE REGIONS: Solar activity has been low for more than a week. This could change in the days ahead as a pair of active regions rotates onto the Earthside of the sun. NASA's Solar Dynamics Observatory recorded the signs of their approach during the early hours of Sept. 18th:



Pictured above are the magnetic canopies of sunspots. Plasma-filled magnetic loops towering more than 50,000 km above the sun's eastern limb herald the approach of the active regions, possibly turning a pair of flare centers toward Earth as the week unfolds. Amateur astronomers witth backyard solar telescopes should train their optics on the eastern limb; solar activity is in the offing.
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