December 17, 2018 on 12:31 pm | In Sun | Comments Off

Since my last observing session, we had two active regions, AR2730 and AR2731.  Both were short lived, but because of rain and cloudy skies, I was not able to observe them. Today we have spotless day 349 since Solar Max.  We still can see the plage left of AR2731 in Ha and WL.  In addition we see two proms at the ENE limb.

2018-12-17-1417_2-TR-540nm.jpg 2018-12-17-1433_2-TR-Ha.jpg 2018-12-17-1427_4-TR-CaK.jpg

2018-12-17-1436_4-TR-Ha-Plage.jpg 2018-12-17-1437_8-TR-Ha-ENEProm.jpg

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