October 18, 2017 on 5:56 pm | In Sun | Comments Off

Clear skies with average seeing.  Today we reached another milestone.  NOAA’s Space Weather Prediction Center reported another spotless day, which in my database shows as number 100 since solar max. for Solar Cycle 24.  In addition to the nice filament, we have a few nice prominences.  Pretty soon the longitude of the old AR2682 and 83 will come around the Eastern limb again.  So far the forecast for them is not exciting.

2017-10-18-1345_9-TR-540nm.jpg 2017-10-18-1349_3-TR-Ha.jpg 2017-10-18-1356_7-TR-CaK.jpg

2017-10-18-1351_4-TR-Ha-SEFilam.jpg 2017-10-18-1351_0-TR-Ha-Filam.jpg 2017-10-18-1352_0-TR-Ha-NWProm.jpg

2017-10-18-1352_6-TR-Ha-NEProm.jpg 2017-10-18-1352_2-TR-Ha-NWProm.jpg

2017-10-18-1356_7-TR-CaK-SElimb.jpg 2017-10-18-1356_7-TR-CaK-old2684.jpg

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