The sunspot observations by Rheita in 1642
Juan Manuel G\'omez, Jos\'e Manuel Vaquero
TL;DR
This paper clarifies a historical sunspot observation by Rheita from 1642, correcting previous misinterpretations to improve understanding of solar activity before the Maunder Minimum.
Contribution
It provides an accurate translation and interpretation of Rheita's 1642 sunspot record, correcting prior misunderstandings.
Findings
The original Rheita record has been misinterpreted.
Corrected interpretation impacts estimates of solar cycle amplitude.
Enhances historical solar activity reconstructions.
Abstract
The correct interpretation of a fragment of Rheita about a sunspot observation in 1642 has crucial importance in estimating the amplitude of the solar cycle just before the Maunder Minimum. We show here that this record has been misinterpreted, presenting the original Latin text and a modern English translation.
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Taxonomy
TopicsSolar and Space Plasma Dynamics · Geophysics and Gravity Measurements · History and Developments in Astronomy