Sun in Ha: During partially clear conditions a 558 frame Ha SER of the Sun was taken using Astro DMx Capture using an Apollo-M-Mini camera fitted with a x2 Barlow lens inserted into a Coronado PST. Some 15% of the frames were stacked using Autostakkert!4, wavelet processed in Registax and post processed in Pixinsight's Solar Toolbox, with final processing done in Adobe Photoshop 2025. Due to hazy skies the camera exposure was around sixty times higher than usual, resulting in increased noise levels and reduced clarity of prominence detail.
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Sun in Ha
Chris Bowden
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