Open Access
Fig. 12

Download original image
Observational validation of the wavelength drift compensation using sunspot group AR14248. (a–e) Monochromatic images before correction at wavelength offsets of −0.9 Å, −0.6 Å, 0 Å (Hα line core), +0.6 Å, and +0.9 Å. (f–j) Corresponding images after correction across the FOV at the same wavelength offsets.
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.