Jan 2, The Sun in white and Ca K-line light.

A Seestar S50 was used to capture a 3 minute RAW AVI Through a Baader OD 5.0 solar filter, controlling the brightness in the software. The best 60% of the frames were debayered and stacked in Autostakkert!4. The image was wavelet processed in waveSharp 2.0 and post processed in the Gimp 2.10.  a 3 minute RAW AVI was captured through a Baader OD 5.0 solar filter and a Baader Ca K-line filter, controlling the brightness,exposure and gain so that the blue channel was not overexposed. The best 60% of the frames were debayered and stacked in Autostakkert!4. The blue channel image was wavelet processed in waveSharp 2.0 and post processed in the Gimp 2.10.

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Ca K-line light

White light

Steve Wainwright and Nicola Mackin