Viewing archive of Monday, 17 August 2015

Select the desired archive item

Geomagnetic unrest, more coronal holes

Geomagnetic conditions continued to be at active to minor storm levels during the past 24 hours thanks to waning CME effects and the effects of a coronal hole solar wind stream. Aurora activity has been elevated for three straight days now and many sky watchers around the world managed to capture the Aurora Borealis or the Aurora Australis. Keep on reading for a couple of images and videos made during the past few days from all around the world.

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!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/03/30M1.5
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025127.5 -27.1
Last 30 days127.5 -24.7

This day in history*

Solar flares
12022X1.38
22024M9.4
32024M9.3
42023M5.41
52000M4.97
DstG
11990-187G4
21957-107G2
31979-104G1
41989-103G3
51988-88G2
*since 1994

Social networks