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Table 1.

Summary of observations.

Data set 1 2 3 4 5
Date 2006-12-10 2007-05-01 2012-05-05 2017-09-03 2022-05-18
Time UT 11:56–12:57 21:44–22:24 08:11–09:00 08:43–09:05 08:29–08:48
Active region 10 930 10 953 11 471 12 674 13 014
Position μ 0.92 0.99 0.92 0.96 0.82

Instrument SOT–SP SOT–SP CRISP GRIS GRIS
Spectral lines Fe I 630.2 Fe I 630.2 Fe I 617.3 Fe I 1564.9 Si I 1082.7
 [nm] Fe I 630.3 Fe I 630.3 Fe I 1566.2 Ca I 1083.9
Sampling 016 016 0059 0135 0135
Inversion code SPINOR–2D SPINOR–2D SIR SIR SIR
τ500 nm 0.16 0.16 1.0 1.0 1.0

Broadband G band Continuum Continuum None TiO band
 Wavelength 430.9 nm 450.4 nm 617.4 nm 750.7 nm
 Cadence 120 s 30 s 56.5 s 5.47 s
 Sampling 0109 0054 0059 0050

Notes. Position μ – cosine of the heliocentric angle; sampling – angular size of a pixel; τ500 nm – continuum optical depth, at which the magnetic field parameters were retrieved from the model atmosphere.

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