April 13, 2020 on 10:48 am | In Sun | Comments Off

The storms passed through here around 3:30am this morning, so it was a short night.  But the observing session this morning revealed again a spotless sun for spotless day 727 since solar maximum.  A few small filaments and a little prom could be seen in Ha, and some plages in Cak.  In 540nm the Sun is featureless today.

2020-04-13-1431_3-TR-540nm.jpg 2020-04-13-1434_5-TR-Ha.jpg 2020-04-13-1437_5-TR-CaK.jpg

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