Fig. 5

Sample images from ChroTel on 31 August 2010; full disk and full resolution cutouts. The black squares indicate a size of 2 arcsec in the bottom row. From left to right: Ca ii K (12:07:39 UTC), Hα (10:37:16 UTC), and He i 10 830 Å (11:57:17 UTC). An image in the nearby continuum was subtracted from the He i image to enhance the contrast.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.