38 citations · 61 across the 3 of their papers we have counts for
3 papers
Revisiting the prediction of solar activity based on the relationship between the solar maximum amplitude and max-max cycle length
V. M. S. Carrasco, J. M. Vaquero, M. C. Gallego
It is very important to forecast the future solar activity due to its effect on our planet and near space. Here, we employ the new version of the sunspot number index (version 2) t…
Sunspot Catalogue of the Valencia Observatory (1920-1928)
V. M. S. Carrasco, J. M. Vaquero, A. J. P. Aparicio +1
A sunspot catalogue was maintained by the Astronomical Observatory of Valencia University (Spain) from 1920 to 1928. Here we present a machine-readable version of this catalogue (O…
Sunspot Numbers and Areas from the Madrid Astronomical Observatory (1876-1986)
A. J. P. Aparicio, J. M. Vaquero, V. M. S. Carrasco +1
The solar program of the Astronomical Observatory of Madrid started in 1876. For ten solar cycles, observations were made in this institution to determine sunspot numbers and areas…