18 citations · 19 across the 2 of their papers we have counts for
3 papers
astro-ph.SR2021★ 18 cited
Sunspot Catalogue of the Observatory of the University of Coimbra (1929-1941)
V. M. S. Carrasco, J. M. Vaquero, M. C. Gallego +3
A sunspot catalogue was published by the Coimbra Astronomical Observatory (Portugal), now named Geophysical and Astronomical Observatory of the University of Coimbra, for the perio…
astro-ph.SR2020★ 1 cited
Comparison of automatic methods to detect sunspots in the Coimbra Observatory spectroheliograms
S. Carvalho, S. Gomes, T. Barata +2
The Astronomical Observatory of the University of Coimbra has a huge collection of solar images, acquired daily since 1926. From the beginning, only spectroheliograms in the CaiiK…
astro-ph.SR2018
Software tool for automatic detection of solar plages in the Coimbra Observatory spectroheliograms
T. Barata, S. Carvalho, I. Dorotovic +4
Full-disk spectroheliograms have been taken in Coimbra on a daily basis since 1926 in the Ca II K-line (K1 and K3). Later, in 1989, with the upgrade of the equipment it was possibl…