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Fig. 1

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The field of view as observed by Hinode, TRACE and SOHO EIT. The top left hand image shows the complete field of view for SOT. The black line shows the position of the sunspot umbra. Magnetic field lines, almost perpendicular to the surface, emanate from the sunspot boundary and are outlined by the Ca II emission. The two dashed lines mark the positions of the cross-cuts used in Fig. 3. The two solid lines mark the position of cross-cuts used in Fig. 5. The top right image shows a sub region of the XRT field of view. The white box marks the SOT field of view. The middle row shows images of the sunspot at the limb as seen by TRACE 1550 Å (left) and 1600 Å (right). The two solid lines in the 1550 Å image mark the position of cross-cuts used in Fig. 5. The bottom row shows the corresponding SOHO/EIT 304 Å, 171 Å and 195 Å images. The solid white boxes in each image mark the SOT field of view.

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