Viewing archive of Tuesday, 8 December 2020

Select the desired archive item

Earth-directed coronal mass ejection

What a surprise event we got yesterday! Sunspot region 2790 which decayed over the past few days and seemingly only has a simple magnetic layout, delivered with a long duration C7.4 solar flare. As mentioned in the news article yesterday, this solar flare was eruptive and it quickly became apparent that it launched a coronal mass ejection which is likely to hit Earth.

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!

61%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/05/15X2.9
Last M-flare2024/05/16M1.0
Last geomagnetic storm2024/05/16Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024156.6 +20.1
Last 30 days177 +70.8

This day in history*

Solar flares
12012M7.32
22013M4.61
32002M4.17
41999M3.33
52005M2.69
ApG
1198364G3
2195652G3
3197173G3
4195328G3
5199135G2
*since 1994

Social networks