Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSolar Section.AuthorsSmith, LynSubjectsSUNSPOTS; QUADRANTS (Astronomical instruments); PLASMA astrophysics; MAGNETIC fields; GLOVER, DerekPublicationJournal of the British Astronomical Association, 2018, Vol 128, Issue 2, p69ISSN0007-0297Publication typeArticle