Viewing archive of Saturday, 17 October 2015

Sunspot numberNew regionsBackground fluxMaximum fluxCM
83 151B7.1M1.51132

Solar flares

RegionStartMaximumEnd
2435C3.4 01:2101:4001:56
2434C1.3 02:4302:4802:59
2435C2.8 04:1304:1704:22
2434C2.5 06:2506:2906:32
2434C4.5 12:3112:3512:39
2434C2.3 12:4512:4912:52
2435C1.8 14:2214:2914:39
2435C1.5 15:3815:4415:51
2434C1 16:5316:5617:00
-C8.6 18:3918:5119:00
-M1.1 20:0920:2320:28
-M1.5 20:3520:4220:46
2434C4.7 21:1221:1921:25
2435C4.8 21:5221:5922:02
2435C6.6 23:1823:3523:48

<< 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%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:243
Current stretch spotless days:17

This day in history*

Solar flares
12013X1.0
22003M1.7
32000C9.1
42003C9.1
52003C8.8
ApG
1199422G1
2200120
3200214
4200312
5199912
*since 1994

Social networks