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Sunspot area catalog revisited: Daily cross-calibrated areas since 1874

Sudip Mandal, Natalie A. Krivova, Sami K. Solanki, Nimesh Sinha and Dipankar Banerjee

A&A, 640 (2020) A78

Published online: 14 August 2020

DOI: 10.1051/0004-6361/202037547

Sudip Mandal

Natalie A. Krivova

Sami K. Solanki

Nimesh Sinha

Dipankar Banerjee

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