Viewing archive of Friday, 1 September 2017

Select the desired archive item

Sunspot region 2674

We admit! We have been ignoring sunspot region 2674 since it appeared on the solar disk a few days ago. It was a large sunspot region at the time with two massive sunspots. It however wasn't all that complicated and there wasn't much of a risk that it would produce a strong solar flare. That changed however during the past 12 hours or so. Keep on reading to find out what sparked our sudden interest in this sunspot region.

Read more

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

100%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:190
Current stretch spotless days:20

This day in history*

Solar flares
12011X1.4
22011M1.1
32011C8.9
42000C8.5
52001C8.1
ApG
1199950G4
2199628G1
3201827G1
4200317
5200416
*since 1994

Social networks