September 8, 2017 on 7:40 pm | In Sun | Comments Off

The calm before the storm (Irma)?  Another day where the skies were calm and allowed good seeing.  AR2673 remains very active and is still increasing in size.  Today it reached 1000 millionths, and registered 5 M-class flares of which one was an R2 triggering flare of M8.1 . Total Active Region Area is 1660 millionths and the spot count is 44.  Solar Activity is High today with 5 M-class flares and 16 C-class flares. In addition, a nice filament can be seen as well as a nice prominence at the SW limb.

2017-09-08-1257_5-TR-540nm-AR2673-74-77-78-79.jpg 2017-09-08-1304_4-TR-Ha-AR2673-74-77-78-79.jpg 2017-09-08-1312_3-TR-CaK-AR2673-74-77-78-79.jpg

2017-09-08-1300_1-TR-540nm-AR2673.jpg 2017-09-08-1306_3-TR-Ha-AR2673.jpg 2017-09-08-1312_3-TR-CaK-AR2673_74_79.jpg

2017-09-08-1259_7-TR-540nm-AR2674-79.jpg 2017-09-08-1306_1-TR-Ha-AR2874-79.jpg 2017-09-08-1306_9-TR-Ha-Filam.jpg

2017-09-08-1300_6-TR-540nm-AR2677-78.jpg 2017-09-08-1306_6-TR-Ha-AR2677-78.jpg 2017-09-08-1312_3-TR-CaK-AR2677-78.jpg

2017-09-08-1308_2-TR-Ha-SWProm.jpg

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