Viewing archive of Thursday, 13 December 2001

Sunspot numberNew regionsBackground fluxCMX
212 293 2C2.1421

Solar flares

RegionStartMaximumEnd
9733C4.1 02:3302:4102:59
9727M1.8 06:3206:4007:00
-C3.1 10:0610:1210:24
-C3.4 13:2213:2613:31
-C2.4 13:5814:0314:07
9733X6.2 Play14:2014:3014:35
9727M1.4 22:4423:0723:17

<< 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!

90%

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:2019/03/17Kp5 (G1)
Number of spotless days in 2019:64
Current stretch spotless days:3

This day in history*

Solar flares
11998X1.2
22003M5.1
32001M4.0
42003M2.0
52004M1.5
ApG
1201736G1
2200827G1
3200227G2
4201226G2
5199522G1
*since 1994

Social networks