Free Access

Fig. 2


Example of TIP scans. Top: sunspot on 24 May 2001, recorded in Fe i 1089.6 nm with CT correction. Bottom: sunspot on 17 July 2011, recorded in Si i 1082.7 nm with AO image stabilization. Tick marks are in arcseconds.

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.