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Fig. 9

image

Example of a spicule from the 10 June dataset displaying its signature at different wavelengths, here at −1032 mÅ and ±774 mÅ. The evolution is divided over six columns with times corresponding starting at 08:07:18.549 UT to 08:07:38.349 UT, with 3.9 s difference in each columns. The black arrows represent the times when the spicules were observed at that wavelength. The image intensities are normalized. The lower panel shows a normalized light curve of the feature indicated by the black arrow. These light curves are plotted by summing the intensity variations along ten positions along the length of the spicule.

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