Fig. 2
Demonstration of the correction for telluric blends with the He i D3 line. Panel a) shows the reference quiet sun spectrum containing the blends but not any He i D3 signal. Panel b) shows the original spectral region including blends in He i D3. Panel c) shows the corrected He i D3 line (including the artefact at 5876.3 Å resulting from telluric correction).
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