Solar prominences covering a quarter of the Sun’s Limb: 15 minutes animation (Rick Veregin)

Contains: Solar system body or event

Solar prominences covering a quarter of the Sun’s Limb: 15 minutes animation

Acquisition type: Lucky imaging

Solar prominences covering a quarter of the Sun’s Limb: 15 minutes animation

Acquisition type: Lucky imaging

There was a really wonderful set of prominences over about a quarter of the Sun’s limb that I had to capture.

Clouds intruded too early, but I managed 15 minutes of my planned 25 minutes. The individual frames were all 15 second SER videos at 640x480 in 16 bit mono (actually 12 bit, which is the camera capability) and about 56 fps. The resulting 880 or so frames were stacked in Autostakkert as the best 15% (for a few I went to 10%, due to passing clouds, that limited the good frames) with 3X drizzle. I strongly recommend the 3X drizzle, as it removes pixelation issues and makes it so much easier to grab detail in Registax. Each stacked frame was then wavelet sharpened with Registax, followed by noise reduction in Topaz Denoise AI. The SER videos were separated by 30 seconds, which was too long, there was a lot more movement between frames than I expected. Next time I will cycle every 15 seconds to be sure, lesson learned! The final gif was produced in Photoshop, with a curves layer to create the solar eclipse look, and a color dodge layer to create the red glow of Ha, completing the eclipse look.

I encourage everyone to look at the prominence movements in detail, there is so much going on! Focus on one area at a time, too much happens over the whole area to see it all in one look.

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Solar prominences covering a quarter of the Sun’s Limb: 15 minutes animation

Solar prominences covering a quarter of the Sun’s Limb: 15 minutes animation

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Solar prominences covering a quarter of the Sun’s Limb: 15 minutes animation

Solar prominences covering a quarter of the Sun’s Limb: 15 minutes animation

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