Sunspot Positions and Areas from Observations by Thomas Harriot
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DOI: 10.1007/s11207-020-01604-4
Abstract: The reconstruction of sunspot parameters in the early era of telescopic observations extends our knowledge on visual sunspot activity up to 400 years into the past. 200 digital solar images from 18 December 1610 to… read more here.
Keywords: positions areas; thomas harriot; observations thomas; areas observations ... See more keywords