Soonspot: Software to Determine Areas and Sunspot Positions
P. Galaviz, V.M.S. Carrasco, F. S\'anchez-Bajo, M.C. Gallego, J.M., Vaquero
TL;DR
Soonspot is a user-friendly software that accurately determines sunspot positions and areas from solar images, useful for both modern and historical solar studies.
Contribution
The paper introduces Soonspot, a novel software tool for analyzing sunspots in solar images, including historical drawings, with validated accuracy.
Findings
Validated accuracy using Debrecen Photoheliographic Data
Successfully analyzed 17th-century solar drawings
Provides precise heliographic coordinates and areas
Abstract
A new software (Soonspot) for the determination of the heliographic coordinates and areas of sunspots from solar images is presented. This program is very user-friendly and the accuracy of its results has been checked by using solar images provided by the Debrecen Photoheliographic Data (DPD). Due to its applicability in the studies of historical solar observations, the program has been used to analyze the solar drawings carried out by Hevelius in the 17th century.
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