Complex magnetic sunspot with two cores AR 4551
Taken by Raffaello Lena on October 15, 2026 @
Rome Italy
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Camera Used: Unavailable Unavailable
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Details:
Based on the image taken on October 15 2026 i have composed this cropped mosaic separating two specifi cores of the sunspot. TMB 13 cm refractor barlow 2x e crop of the with resize 135X. The result is fine having steady seeing also steady air during the image session. 270 frames stacked of 7000. Note the East core (secondary) and West core (main core) having also different magnetic polarity. The East and West sunspot cores exhibit opposing magnetic polarities. This configuration, particularly at their narrow, close-proximity border, is a major driver of regional magnetic instability and increased solar flare activity.
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