Viewing archive of Saturday, 17 August 2013

Sunspot numberNew regionsBackground fluxMaximum fluxCM
96 -81 1B3.9M3.316422

Solar flares

RegionStartMaximumEnd
1818B6.7 02:5903:0403:10
1818C1.3 03:2503:3003:36
1818B8.9 10:1610:1910:23
1818B8.7 10:5210:5711:10
1817B6.3 12:2712:3012:44
-C1.8 13:2713:4914:24
1818M3.3 18:1618:2418:35
1818M1.4 18:4919:3319:54

<< Go to daily overview page

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:2019/09/28Kp5 (G1)
Number of spotless days in 2019:211
Current stretch spotless days:13

This day in history*

Solar flares
12013M1.8
22013M1.3
32015M1.1
42002M1.0
52013C9.5
ApG
1200344G2
2199931G1
3201725G1
4200218
5201317
*since 1994

Social networks