I’ve spent almost one hour today imaging the Sun with the 150mm achromat and Quark H-alpha filter. Some decent seeing at times, and a few nice proms on the Sun’s limb. Not much activity in the chromosphere, with no active regions.



A one-hour animation showing the evolution of the largest prominence visible on September 20. Nice dance from this prom, with some plasma strings traveling in the “canopy” of the prom, and some “thunder” like appearance of the “legs” of the proms.

Only 14 frames were obtained, and the transition in some moments has gaps, but the general dance is well seen.

sept 20 proms.gif

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