Viewing archive of Friday, 28 December 2001

Sunspot numberNew regionsBackground fluxMaximum fluxCMX
263 -52C2.6X3.49331

Solar flares

RegionStartMaximumEnd
-C6.5 01:2301:2701:32
9754C4.2 02:3402:4003:07
9742M4.7 03:4203:5103:56
9754M1.0 06:4706:5507:06
9748M1.3 12:1012:3012:59
9751C8.2 18:4618:5319:02
9767X3.4 Play20:0220:4521:32

<< 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:2019/09/02Kp5 (G1)
Number of spotless days in 2019:183
Current stretch spotless days:13

This day in history*

Solar flares
12005X1.1
22000M2.1
32000M2.0
42001M1.5
52005M1.3
ApG
1200552G3
2201734G2
3199927G2
4199526G1
5200120
*since 1994

Social networks