Sun CaK
Taken by Stefano Sello on September 27, 2014 @
Pisa, Italy
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
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Date Taken: Unavailable
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Details:
There are many active regions with complex magnetic fields: AR2172-AR2175-AR2177. It is impressive the intensity and complexity of features inside AR2172, as clearly seen in this CaK image.
Photo details: Solarmax70 CaK solar telescope centered at 393.4 nm (K1R of the line profile for quiet chromosphere), equipped with a Lu130M CCD camera. 12:00 UT. Good seeing.
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No URL provided.
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