Daily relative sunspot numbers 1749–1848: reconstruction of missing observations

• 1 January 1999
• journal article
• Published by Springer Nature in Solar Physics
• Vol. 184  (1) , 201-211
• https://doi.org/10.1023/a:1005086320594

Abstract

Keywords

• SOLAR ACTIVITY
• MISSING DATA
• DAILY DATA
• MONTHLY MEANS
• HIGH CREDIBILITY