February 27, 2020 on 12:39 pm | In Sun | Comments Off

Clear skies for a change, but cold.  Another spotless Sun today. A few small proms were visible in Ha in the NE, and filaments in the NW quadrant.  A very small bi-polar area could be seen in the West in SDO’s magnetogram, and also in the CaK wavelenght, but it seemed to have Cycle 24 polarization.

2020-02-27-1431_2-TR-540nm.jpg 2020-02-27-1438_0-TR-Ha.jpg 2020-02-27-1433_8-TR-CaK.jpg

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