Viewing archive of Saturday, 8 September 2018

Select the desired archive item

Coronal hole faces Earth

A high speed coronal hole solar wind stream arrived at our planet yesterday from a small equatorial coronal hole but it did not produce much geomagnetic activity here on our planet. While the solar wind speed increased to above 500km/s, the north-south direction of the IMF stayed mostly northward and little geomagnetic activity was observed. The Kp-index never increased above Kp2 yesterday. However, we are soon getting another chance for some nice auroral displays as yet another coronal hole faced our planet yesterday.

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!

76%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/06/01X1.0
Last M-flare2024/06/01M7.3
Last geomagnetic storm2024/05/17Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
Last 30 days148.4 +2.5

This day in history*

Solar flares
12024X1.3
22024X1.0
32024M7.3
42007M4.04
52000M3.64
ApG
1195860G4
2199174G3
3201358G3
4196028G2
5196130G2
*since 1994

Social networks