Fig. 1
Full SDSS optical range example plot of a magnetically active M 5e star. The coadded spectrum (black) consists of several spectra that are divided into a red and a blue part, overlapping at ~ 6000 Å. One blue and one red single spectrum is plotted. Cosmic rays in the single spectra are visible as narrow peaks (one in the blue and up to four in the red spectrum range).
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