79 citations · 98 across the 3 of their papers we have counts for
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astro-ph.SR2015★ 79 cited
The revised Brussels-Locarno Sunspot Number (1981-2015)
Frédéric Clette, Laure Lefèvre, Marco Cagnotti +2
In 1981, the production of the international Sunspot Number moved from the Zürich Observatory to the Royal Observatory of Belgium, marking a very important transition in the histor…
astro-ph.SR2015
The Effect of Sunspot Weighting
Leif Svalgaard, Marco Cagnotti, Sergio Cortesi
Waldmeier in 1947 introduced a weighting (on a scale from 1 to 5) of the sunspot count made at Zurich and its auxiliary station Locarno, whereby larger spots were counted more than…