Section
White-light solar observation, hydrogen-alpha, the next planetary transit, eclipse chasing as a discipline.
Solar
Lyot's coronagraph, the instrument that first showed the corona without an eclipse, has a long descendant line. Beatriz Garcia on the original at Climax and the instruments it begot.
Solar
A homemade objective filter, properly built from the correct materials, is safer than many commercial products. Anselm Bauer walks through the procedure, and the rules that have no exceptions.
Solar
Six stations around the world, one Sun continuously observed since 1995. Cosmo Tate on the Global Oscillation Network Group and its slow accumulation of solar interior data.
Solar
At the Specola Solare Ticinese above Locarno, observers have drawn the Sun's surface by hand on most clear days since 1957. Iolanda Ferro on what the practice preserves.
Solar
Beatriz Garcia talks to three amateur eclipse chasers about what they have learned across decades of pursuit, and what the discipline costs and gives.
Solar
The next transit of Mercury falls on 13 November 2032. Cosmo Tate on what amateurs are doing in the six years between then and now to be ready.
Solar
A Coronado PST, a Lunt LS50, a double-stacked rig in a Munich back garden: Anselm Bauer on what hydrogen-alpha really shows, and what it costs to see it.
Solar
A modest 60mm refractor, properly filtered, will draw a sunspot group with surprising honesty. Iolanda Ferro on a year of daytime observing from a balcony in Naples.