H-alpha Sun – September 15, 2018

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A very nice imaging session with the Sun today, using the newly acquired 150mm achromat refractor. The seeing was mostly good, and some very nice prominences were observable on the limb. Also a small active region was present.

Yesterday’s proms have now departed, but still a hint of their upper regions is seen in the image below:


And a two-frame evolution image:


The discrete active region:


One of the newly emerged proms, with a half-an-hour evolution:

Another prom.jpg

And another prom, looking like a dancing flame:


A 45-minute evolution of today’s “dancing-flame” prom:


And a rather faint prom:


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