Fig. 1

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Examples of IBIS data acquired (from left to right) in standard spectroscopic and spectropolarimetric modes at the Fe I 6173 Å line with circular (1000 × 1000 pixels2) and rectangular (350 × 800 pixels2) FOV on 25 October 2014, 15:32 UT and 13 May 2016, 13:38 UT at disk positions μ = 0.85 and μ = 0.68, respectively. The spectroscopic and spectropolarimetric Stokes I observations were taken in the line continuum, while the spectropolarimetric Stokes Q and Stokes U and V data were acquired in the line core and line blue wing, respectively. Shown here are the Level 1 data derived from the instrumental calibrations and MOMFBD restoration (see Sects. 2.2 and 3.1 for more details).
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