September 22, 2019 on 9:31 am | In Sun | Comments Off

Another spotless Sun today.  A number of prominences are visible around the solar disk as well as a few filaments.

2019-09-22-1307_7-TR-540nm.jpg 2019-09-22-1316_1-TR-Ha.jpg 2019-09-22-1311_6-TR-CaK.jpg

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