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Sir William Herschel's notebooks - Abstracts of solar observations
Hoyt, Douglas V.; Schatten, Kenneth H.
AA(Research and Data Systems Corp., Greenbelt, MD), AB(NASA, Goddard Space Flight Center, Greenbelt, MD)
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 78, Jan. 1992, p. 301-340. (ApJS Homepage)
Publication Date:
Solar Physics
NASA/STI Keywords:
Solar Activity, Solar Observatories, Sunspot Cycle, Infrared Radiation, Solar Physics, Telescopes
Bibliographic Code:


An introduction to the background of Sir William Herschel's notebooks and the historical context within which his observations were made are provided. The observations have relevance in reconstructing solar behavior, as discussed in a separate analysis paper by Hoyt and Schatten (1992), and in understanding active features on the sun such as faculae. The text of Herschel's notebooks with modern terms used throughout forms the body of this paper. The complete text has not previously been published and is not easily accessible to scholars. Herschel used different words for solar features than are used today, and thus, for clarity, his terminology is changed on two occasions. A glossary explains the terminology changed. In the text of the notebooks, several contemporaries are mentioned; a brief description of Herschel's colleagues is provided.

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