54 citations · 431 across the 28 of their papers we have counts for
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astro-ph2008★ 13 cited
Stray-light restoration of full-disk CaII K solar observations: a case study
Serena Criscuoli, Ilaria Ermolli
AIMS: We investigate whether restoration techniques, such as those developed for application to current observations, can be used to remove stray-light degradation effects on archi…
astro-ph2008
On the potential value of Ca II K spectroheliogram time-series for solar activity and irradiance studies
I. Ermolli, S. K. Solanki, A. G. Tlatov +3
Various observatories around the globe started regular full-disk imaging of the solar atmosphere in the Ca II K line since the early decades of the 20th century. The archives made…