SpaceWeatherLive .com
Real-time auroral and solar activity

Sunspot region AR11917

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/12/08 8 60 DAO S16E63
2013/12/09 8 210 DAI S16E57
2013/12/10 10 240 CAI S16E45
2013/12/11 18 250 DKI S17E31
2013/12/12 13 210 DAI S15E17
2013/12/13 12 190 CAI S15E04
2013/12/14 11 220 DAI S15W10
2013/12/15 26 260 DKC S15W24
2013/12/16 33 340 DKC S15W37
2013/12/17 16 320 EKC S15W51
2013/12/18 16 320 EKC S15W51
2013/12/19 4 420 DKI S16W77
2013/12/20 2 180 CSO S17W91
C
16

The top 10 solar flares from sunspot region 11917

Start Maximum End
1C6.942013/12/1303:0503:1503:31
2C5.222013/12/1603:2103:3003:44
3C4.942013/12/1206:3806:5907:37
4C4.182013/12/0911:1511:3011:48
5C3.922013/12/1122:4923:0623:17
6C3.72013/12/1216:3616:4316:48
7C3.282013/12/1411:0011:2411:40
8C3.272013/12/1211:3211:3912:09
9C3.172013/12/1301:3301:3801:41
10C3.052013/12/0717:3417:4117:52
Back to top

Latest news

Latest forum messages

AR4405 245Space Weather Memes 818AR4409 179Comet C/2026 A1 (MAPS) for the southern hemisphere 55Photographing auroras 240
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-flare2026/03/30X1.5
Last M-flare2026/04/04M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026125 +39.1
Last 30 days98.7 +39

This day in history*

Solar flares
12001X8.08
22004M3.44
32023M3.01
42000M2.7
52006M2.02
DstG
12000-291G4
21977-105G3
31988-100G2
41984-86
52010-81G1
*since 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
Submit your aurora observation

Social networks

SpaceWeatherLive