Schwabe-Wolf transition sunspot number

Raw data of all the Observers (SN Version 1)

All the raw data from the Mittheilungen for the years 1818-1848.

Columns are detailed in the first lines of the CSV file.

Sunspot Series Version 2.1

Reconstructed SN from 1818-1848 : daily, monthly and yearly values respectively.

Sunspot number V2.1 Daily

Columns are detailed in the first lines of the CSV file

Sunspot number V2.1 Monthly

Columns are detailed in the first lines of the CSV file

Sunspot number V2.1 Yearly

Columns are detailed in the first lines of the CSV file