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Fig. 8


Evolution of the line-of-sight magnetic field of two emerging active regions, AR 11565 (left column) and AR 11209 (right column). AR 11565 shows a double emergence and AR 11209 is a smaller active region with many surrounding small emergences pointed to by the arrows. The black circle indicates a radius of 10° from the centre of the emerging active region. The greyscale is saturated at ±200 G.

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