Time series of He triplet properties for the observation day January 26, 2023. From top to bottom: He triplet position, width, EW, and depth. The depth and width are expressed in terms of temperature and column density, the units used in our custom model, as well as km/s and %, for better comprehension. The full time series is shown in blue points, and 20× (~19 min) bins are shown as red points. The standard deviation of each time series is indicated in their respective legends.