Sun on 23 June 2022 in Hα
Fig. 17: ZWO ASI 290MM + 2.5x TeleVue Powermate on a Lunt Hα 60 telescope. Stacking of sharpest 50 out of 500 frames using Autostakkert!3. Postprocessing with Photoshop. 23 June 2022 12:18:56