Christoph Scheiner (1573-1650) closely observed and described the sunspots over a period of 20 years. This raised the question whether Christoph Scheiner has perceived a periodicity or whether a periodic structure can be found in his observations with the help of the modern Cosinor method. With this chronobiological method it was possible to prove retrospectively a periodicity of 12.1 years in Scheiner's sunspot observations.
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Article
Reeves, Eileen;
(2007)
Mere Projections: Sunspots and the “Camera Obscura”
(/isis/citation/CBB000931275/)
Article
Oddbjørn Engvold;
Jack B. Zirker;
(2016)
The Parallel Worlds of Christoph Scheiner and Galileo Galilei
(/isis/citation/CBB605936429/)
Article
Owens, Brian;
(2013)
Long-term Research: Slow Science
(/isis/citation/CBB001320432/)
Article
Ingaliso, Luigi;
(2013)
Mater una vera, veritas una phaenomeni est: la theorica Solis nella Rosa Ursina di Christoph Scheiner
(/isis/citation/CBB001450815/)
Article
Reeves, Eileen A.;
Albert Van Helden;
(2018)
Idiom and Image: Translating the Letters on Sunspots
(/isis/citation/CBB623384315/)
Article
Christopher M. Graney;
(2019)
How to Make the Earth Orbit the Sun in 1614
(/isis/citation/CBB573664538/)
Chapter
Daxecker, Franz;
(2001)
“Über das Fernrohr” und weitere Mitschriften von Vorlesungen Christoph Scheiners
(/isis/citation/CBB000102391/)
Book
Dick, Wolfgang R.;
Hamel, Jürgen;
(2001)
Beiträge zur Astronomiegeschichte, Bd. 4
(/isis/citation/CBB000102389/)
Book
Daxecker, Franz;
(2004)
The Physicist and Astronomer Christopher Scheiner: Biography, Letters, Works
(/isis/citation/CBB000773376/)
Chapter
Daxecker, Franz;
Schaffenrath, Florian;
(2001)
Ein Nachruf auf Christoph Scheiner aus dem Jahr 1650
(/isis/citation/CBB000102392/)
Article
Galluzzi, Paolo;
(2014)
Spotted Felines and the Spotted Sun: The Lincei and Galileo's Istoria
(/isis/citation/CBB001510282/)
Essay Review
Renata Ago;
(2007)
Suggestioni per la storia sociale: distanza geografica, incompletezza delle informazioni e segretezza nella comunicazione scientifica di Galileo
(/isis/citation/CBB252029371/)
Essay Review
Franco Giudice;
(2007)
Only a Matter of Credit? Galileo, the Telescopic Discoveries, and the Copernican System
(/isis/citation/CBB386449739/)
Article
Giudice, Franco;
(2014)
Galileo's Cosmological View from the Sidereus Nuncius to Letters on Sunspots.
(/isis/citation/CBB001510283/)
Essay Review
Boulier, Philippe;
(2012)
The Debate on Sunspots
(/isis/citation/CBB001566611/)
Article
Raphael, Renee;
(2014)
Teaching Sunspots: Disciplinary Identity and Scholarly Practice in the Collegio Romano
(/isis/citation/CBB001420242/)
Article
Reeves, Eileen;
(2005)
Speaking of Sunspots: Oral Culture in an Early Modern Scientific Exchange
(/isis/citation/CBB000850141/)
Book
Christopher M. Graney;
(2017)
Mathematical Disquisitions: The Booklet of Theses Immortalized by Galileo
(/isis/citation/CBB733373633/)
Book
Galilei, Galileo;
Reeves, Eileen;
Helden, Albert Van;
Scheiner, Christoph;
(2010)
On Sunspots
(/isis/citation/CBB001020067/)
Chapter
Mehl, Édouard;
(2013)
Comètes et taches solaires en Allemagne (1610--1630): l'aile hétérodoxe (Faulhaber, Mayr, Mögling) et le point de départ de la “fable du monde” cartésienne
(/isis/citation/CBB001201009/)
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