Sunspot region AR11721

Number of
sunspots
Size Class Magn. Class Spot Location
2013/04/10 4 10 BXO S18E35
2013/04/11 10 80 DAO S19E20
2013/04/12 17 220 DAI S18E06
2013/04/13 18 190 DSI S18W07
2013/04/14 13 180 DSO S19W21
2013/04/15 12 140 ESI S18W33
2013/04/16 6 110 DAO S18W47
2013/04/17 5 120 CSO S17W61
2013/04/18 2 100 CSO S17W75
2013/04/19 1 60 HSX S18W86
2013/04/20 1 60 HSX S18W0*
C
2

The top 2 solar flares from sunspot region 11721

Start Maximum End
1C5.972013/04/1110:0910:1310:15
2C1.752013/04/1012:5412:5813:04

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!

62%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/05/15X2.9
Last M-flare2024/05/19M1.6
Last geomagnetic storm2024/05/17Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024157.5 +21
Last 30 days168.7 +50.9

This day in history*

Solar flares
12002X3.07
22001M9.22
32023M8.96
42002M7.2
52002M6.81
ApG
1198143G2
2195639G2
3202332G2
4202124G1
5198430G1
*since 1994

Social networks