Thursday, January 16, 2025

The Sun in White light and Ca K-line light

A Seestar S50 was used to capture 3 minute RAW AVIs either Through a Baader OD 5.0 solar filter, or an OD 5.0 filter and a Baader Ca K-line filter, controlling the brightness and exposure in the software. The best 80% of the frames in each AVI were debayered and stacked in Autostakkert!4. The images were wavelet processed in waveSharp 2.0 and post processed in the Gimp 2.10 and ACDSee.

Click on an image to get a closer view

White Light


Ca K-line light


Steve Wainwright and Nicola Mackin


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