Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jbaa..103...63v&link_type=abstract
Journal of the British Astronomical Association, vol.103, no.2, p.63-66
Astronomy and Astrophysics
Astronomy
Sunspots, Sunspot Cycles
Scientific paper
A comparison is made between the assortment of sunspot groups which
appeared during the declining phase of sunspot cycle 21 (1979-1986) and
the ascending phase of cycle 22 (1987-1991). It is shown that the
quality of sunspot activity of these two phases was different but it was
practically constant within each phase.
Tanti T.
Ventura Frank
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