September 14, 2021 on 9:00 am | In Sun | Comments Off
Cloudy days are good for additional work. So I made a combo image showing the morphology of the two last great regions AR2866 and AR2868 on 7 days, between September 4 and September 13th. Seven images show the morphology around the 540nm wavelength, 6 Ha images around the Ha line and 5 images around the CaK wavelength. Each day is indicated on the image as well as the classification of the two areas for that specific day.
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