Animation: Post flare loops on May 27th 2024 (Tommi R)

Contains: Solar system body or event

Animation: Post flare loops on May 27th 2024

Acquisition type: Lucky imaging

Animation: Post flare loops on May 27th 2024

Acquisition type: Lucky imaging

On May 27th there was an X-class flare (X2.9) peaking around 08:08 UTC (10:08 in Finnish time). At that time I was working, but took a lunch break after 11 in Finnish time and looking at the GONG I decided that I am gonna use some time to image and eat later. The actual flare was long gone but there were quite active post flare loops hanging around so why not go for an animation. I got this material between 11:30 and 12:04 in Finnish time with my 102 mm grab & go H-alpha setup.

I recorded 15 sec videos at around 156 fps (about 2300 frames per video) and took 10 sec breaks between the video captures. Total elapsed time in real life was 34 minutes until I had my laptop disk full of data and could not record more. Exposure time was 6.3 ms and gain 125 (31 % in Firecapture). 81 videos (414 GB of 8 bit SER, about 188 000 frames in total) were taken and data is calibrated with flats in post processing. Some flickering is seen due to thin clouds but nothing major so I did not try to clear that out. Best 400 frames were stacked for each frame of the animation.

Full size video is 3072 x 1198 pixels and shows different post processing at the same time with Earth added as scale.

Solar Prominences, Flares and Loops
Sun in hydrogen 656 nm light
Solar Animations
DayStar Quark and Quantum Filters
Sun and Sunspots
ZWO ASI174MM
Narrowband Solar imaging
Solar System Imaging
Cloudy Nights

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Animation: Post flare loops on May 27th 2024

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