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.
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