Sun Hα, 22.5.2023
Fig. 42: Lunt LS60T, ASI 178MM. Post-processing with Autostakkert and Photoshop. Panorama from two images of the upper and lower half of the Sun. Video with 1000 x 16bit video frames, best 10%, flat-frame with semitransparent foil in front of the lens. Shadows and highlights have been enhanced to emphasise both the faint prominences and the bright sphere.