000005306 001__ 5306
000005306 005__ 20210301150906.0
000005306 037__ $$aDATASET-2021-0035
000005306 100__ $$aClette, Frédéric
000005306 245__ $$aInternational Sunspot Number
000005306 260__ $$c2020
000005306 520__ $$aDaily, monthly and yearly, total and hemispheric sunspot numbers
000005306 594__ $$aSTCE
000005306 700__ $$aLefèvre, Laure
000005306 700__ $$aLemaître, Olivier
000005306 8560_ $$ffrederic.clette@observatoire.be
000005306 85642 $$ahttp://www.sidc.be/silso/datafiles
000005306 980__ $$aDATASET