Ref: SIDCimport-1630

International Sunspot Number

Clette, F.

Dataset released under the open data policy

Abstract: World Data Center SILSO, Sunspot Index and Long-term Solar Observations , 1 - 12/2015

Note: Total, North, South, daily, monthly mean, monthly smoothed, yearly mean sunspot number time series (1700 to present)
Links: link

The record appears in these collections:
Royal Observatory of Belgium > Solar Physics & Space Weather (SIDC)
Solar-Terrestrial Centre of Excellence

 Record created 2016-02-22, last modified 2016-02-22