Viewing archive of Thursday, 21 February 2002

Sunspot numberNew regionsBackground fluxCM
148 -93C1.464

Solar flares

RegionStartMaximumEnd
9830M4.4 23:4900:1000:27
-C5.7 00:4500:5401:27
9825C3.6 04:4104:4805:10
-C5.6 07:0607:5708:46
9825C7.0 09:2509:3209:57
-M3.9 11:5612:2612:36
9830C3.5 16:4516:4816:50
-M1.0 18:0718:2318:44
-M1.4 20:2820:3720:47
-C3.9 22:0522:1522:24

<< Go to daily overview page

Current data suggest that it is not possible to see aurora now at middle latitudes
The strength of the interplanetary magnetic field is moderate (10.13nT), the direction is North (2.3nT).

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:2018/11/05Kp6 (G2)
Number of spotless days in 2018:207
Current stretch spotless days:2

This day in history*

Solar flares
12014M8.7
21998M3.2
32002M1.6
42014M1.5
52014M1.4
ApG
1201723G1
2200718
3200416
4200116
5201212
*since 1994

Social networks