SpaceWeatherLive .com
Real-time auroral and solar activity

Sunspot region AR11837

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/09/03 9 50 DSO S16W19
2013/09/04 13 100 DSI S16W32
2013/09/05 21 120 DSO S15W47
2013/09/06 9 130 DSI S16W61
2013/09/07 5 110 DAO S16W73
2013/09/08 2 50 HAX S17W88
2013/09/09 2 50 HAX S17W0*
BC
39

The top 10 solar flares from sunspot region 11837

Start Maximum End
1C5.22013/09/0404:1304:2804:31
2C4.222013/09/0405:3505:4005:49
3C3.712013/09/0408:3608:4109:02
4C1.692013/09/0407:2807:3307:37
5C1.62013/09/0407:1907:2307:27
6C1.532013/09/0402:4402:5102:59
7C1.272013/09/0408:1708:2108:26
8C1.222013/09/0410:1310:1710:22
9C1.152013/09/0703:5704:0104:09
10B9.92013/09/0412:1212:1512:18
Back to top

Latest news

Latest forum messages

Double Thread Rules 1Strong far side CME 227Filaments and prominences 536AR 13901 116Incoming & Unnumbered Active Regions 1249
More topics

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%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.9 -23.5
Last 30 days155.8 +4.5

This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
21982-114G2
31975-97G2
42003-87G2
51960-76G2
*since 1994

Social networks

SpaceWeatherLive