158 citations · 656 across the 26 of their papers we have counts for
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A Revised Collection of Sunspot Group Numbers
J. M. Vaquero, L. Svalgaard, V. M. S. Carrasco +7
We describe a revised collection of the number of sunspot groups from 1610 to the present. This new collection is based on the work of Hoyt and Schatten (Solar Phys. 179, 189, 1998…
Monitoring the Solar Radius from the Royal Observatory of the Spanish Navy during the Last Quarter-Millennium
J. M. Vaquero, M. C. Gallego, J. J. Ruiz-Lorenzo +5
The solar diameter has been monitored at the Royal Observatory of the Spanish Navy (today the Real Instituto y Observatorio de la Armada: ROA) almost continuously since its creatio…
Sunspot Observations during the Maunder Minimum from the Correspondence of John Flamsteed
V. M. S. Carrasco, J. M. Vaquero
We compile and analyze the sunspot observations made by John Flamsteed for the period 1672-1703, corresponding to the second part of the Maunder Minimum, which appear in the corres…