March 11, 2017 on 11:50 am | In Sun | Comments Off

Before the clouds arrived: Clear and transparent skies with average seeing.  Solar Activity remains Very Low.  The spotless sun continues today with day 52.  In WL the sun appears completely blank, but in Ha and CaK some interesting filaments and areas are visible, as well as a few proms. Today full disk images as well as close ups of the mentioned regions.

2017-03-11-1404_3-TR-540nm-SD52.jpg 2017-03-11-1407_8-TR-Ha-SD52.jpg 2017-03-11-1418_8-TR-CaK-SD52.jpg

2017-03-11-1411_0-TR-Ha-FlmnNE.jpg 2017-03-11-1411_7-TR-Ha-WLimb.jpg 2017-03-11-1413_9-TR-Ha-NWProms.jpg

2017-03-11-1418_8-TR-CaK-NEQuad.jpg 2017-03-11-1418_8-TR-CaK-NWquad.jpg

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