Viewing archive of Thursday, 28 April 2011

Sunspot numberNew regionsBackground fluxMaximum fluxC
71 322 1B2.4C2.483

Solar flares

RegionStartMaximumEnd
1196C1 02:3202:4002:46
1202B4.4 08:5909:0309:12
1202B6.7 09:1509:2209:35
1199B8.3 10:0210:1910:28
1196B8 10:4110:4710:52
1199C2.4 11:5111:5812:03
-C1.1 12:3912:4712:51
1199B8.2 21:0621:1221:18

<< 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!

11%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/02/19Kp5 (G1)
Number of spotless days in 2020:34
Current stretch spotless days:19

This day in history*

Solar flares
12002M5.1
22002M4.3
32002M4.2
42002M3.5
52014M3.0
ApG
1201437G2
2201220G1
3200619G1
4200317
5199417G1
*since 1994

Social networks