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Fig. A.1

Fig. A.1 Refer to the following caption and surrounding text.

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Post-perihelion spectrum of the coma of comet C/2023 A3 acquired by Vikrant Agnihotri on Nov 02, 2024, at 13:13 UT, with a phase angle of 57.4°, an airmass of 1.54, and an exposure time of 900 s. The black curve denotes the relative sensitivity of the DZK 33UX250 polarization camera (TheImagingSource 2019).

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