SpaceWeatherLive .com
Real-time auroral and solar activity

Sunspot region AR11921

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/12/10 2 120 HSX N06E75
2013/12/11 2 350 HKX N06E62
2013/12/12 2 350 HKX N07E50
2013/12/13 2 360 HKX N08E37
2013/12/14 8 350 CKO N07E23
2013/12/15 9 380 CKO N07E10
2013/12/16 9 400 HKX N07W03
2013/12/17 7 300 CKO N06W15
2013/12/18 7 300 CKO N06W15
2013/12/19 2 220 DSO N06W43
2013/12/20 2 220 HAX N06W57
2013/12/22 2 180 HAX N07W85
2013/12/23 1 60 HSX N07W94
2013/12/24 1 60 HSX N07W0*
C
4

The top 4 solar flares from sunspot region 11921

Start Maximum End
1C8.542013/12/1222:0522:1422:19
2C3.772013/12/0916:5116:5617:02
3C2.282013/12/1910:1410:2610:31
4C2.052013/12/1908:1708:2808:49
Back to top

Latest news

Latest forum messages

Incoming & Unnumbered Active Regions 16AR4294 / 4296 / 4298 31250 mhz F2 75AR 4299 24Current Farside Activity 236
More topics

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/12/01X1.9
Last M-flare2025/12/04M6.0
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025175.4 +83.6
Last 30 days107.3 +14.6

This day in history*

Solar flares
12006X9.4
22006M8.68
32006M5.04
42003M3
52000M2.34
DstG
11959-90
21960-90
31958-65
41957-57G1
52003-55G1
*since 1994

Social networks

SpaceWeatherLive