Viewing archive of Monday, 16 March 2015

Select the desired archive item

C9 solar flare, sunspot region 2297, CME arrival?

A long duration C9 solar flare took place yesterday morning near sunspot region 2297 and launched a partial halo coronal mass ejection into space. While it is not a full halo coronal mass ejection, the coronal mass ejection was nonetheless very wide and caused an increase in the protons and electrons at Earth meaning that this coronal mass ejection will likely arrive at Earth. Based on the ejecta speed, the coronal mass ejection could arrive during the UTC evening hours of 17 March and cause a minor G1 geomagnetic storm.

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%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
41989-105
51979-90G1
*since 1994

Social networks