Fig. B.1.
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Example of coaligning observations made by Solar Orbiter and other near-Earth observatories on 2022 October 24 and October 25. Arrows connect the maps coaligned with each other. “Derotate” means the maps observed at different times are coaligned after the removal of solar rotation. Maps connected by arrows with “reproject” undergo projection from one helioprojective frame to another before coalignment. Annotations with slash denote that we cross-correlated the two instruments using these channels or spectral lines; for example, “1400/1700” means IRIS and AIA are coaligned by comparing IRIS/SJI 140.0 nm channel and AIA 170.0 nm channel. Maps with an asterisk (*) are reprojected maps, either to remove solar rotation or to create a single synthetic raster image from a series of images. Link to the Jupyter notebook creating this figure: 📘.
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