Tuesday, 1 August 2017 - 11:51 UTC
Old sunspot region 2665 which caused a couple of large far side eruptions is now rotating back onto the earth-facing solar disk.
A couple of smaller sunspots are visible right now and solar activity has picked up with B and C-class activity. How will the region look like when it has fully rotated into view and is it still capable of producing major solar flares? We will soon find out!
⇧ Sunspot region 2665 returns. How many more spots are still hiding behind the limb? Image by NASA SDO.
A southern extension of the northern hemisphere polar coronal hole is facing Earth today. An enhanced solar wind stream from this coronal hole could arrive in about 3 days from now and cause enhanced geomagnetic conditions this next Friday, 4 August.
|Predicted Kp max||4|
|M-class solar flare||25%|
|X-class solar flare||1%|
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|Last geomagnetic storm:||2017/08/20||Kp5 (G1)|
|Number of spotless days in 2017:||56|
|Last spotless day:||2017/08/01|