Viewing archive of Thursday, 17 January 2002

Solar flares

RegionStartMaximumEnd
-C3.9 01:0701:1601:24
9775C2.9 02:1302:1602:21
9775C4.2 03:0603:1203:18
-C3.0 04:3204:3504:37
-C3.1 05:1705:2105:25
-C2.5 11:4211:4611:52
9783C2.4 12:0812:1512:18

<< 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!

91%

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:2019/05/14Kp7 (G3)
Number of spotless days in 2019:76
Current stretch spotless days:3

This day in history*

Solar flares
12004M2.6
22002M1.5
31997M1.3
42002C9.7
52001C9.0
ApG
1200329G2
2200518
3201615G1
4199813
5200810
*since 1994

Social networks