Up: Hemispheric Sunspot Numbers and Catalogue
The monthly mean and the smoothed monthly mean hemispheric Sunspot
Numbers for the period 1975-2000 are compiled into a
catalogue
. The catalogue is available
online at cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/390/707. The organization of the
catalogue is described in the following (for details see the ReadMe file).
- 1st column: year and month (Months with less than 11 observation days are marked with an asterisk (
)
to note
that the statistical significance of the derived monthly data is
low.);
- 2nd column: monthly mean northern Sunspot Numbers;
- 3rd column: monthly mean southern Sunspot Numbers;
- 4th column: smoothed monthly mean northern Sunspot Numbers
(365 days running average followed by monthly mean calculations);
- 5th column: smoothed monthly mean southern Sunspot Numbers
(365 days running average followed by monthly mean calculations).
Up: Hemispheric Sunspot Numbers and Catalogue
Copyright ESO 2002