SpaceWeatherLive .com
Real-time auroral and solar activity

Sunspot region AR13421

Number of
sunspots		 Size Class Magn. Class Spot Location
2023/09/03 5 20 BXO N15E14
2023/09/04 9 20 DAI N15W00
2023/09/05 15 140 DAI N14W13
2023/09/06 19 220 DAI N15W27
2023/09/07 23 220 EAI N15W40
2023/09/08 17 170 EAI N14W53
2023/09/09 12 100 EAI N14W66
2023/09/10 11 60 EAO N11W78
2023/09/11 4 10 BXO N15W94
2023/09/12 4 10 BXO N15W0*
CM
253

The top 10 solar flares from sunspot region 13421

Start Maximum End
1M2.02023/09/0508:0308:1208:24
2M1.22023/09/0519:3219:4519:57
3M1.02023/09/0523:2123:3923:53
4C8.42023/09/0901:1501:2001:24
5C5.72023/09/0903:1203:2403:28
6C5.32023/09/0617:5117:5618:00
7C4.72023/09/0600:4200:5001:01
8C4.22023/09/0823:0723:1323:17
9C4.22023/09/0504:3604:4704:59
10C3.82023/09/0607:5007:5608:00
Back to top

Latest news

Latest forum messages

X1.9 CME 1127AR 4345 10Ar 14349 4No SDO data update 7sunspot capture samsung smartphone possible? 5
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-flare2026/01/18X1.9
Last M-flare2026/01/19M1.2
Last geomagnetic storm2026/01/19Kp9- (G4)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 2026103.8 -20.2
Last 30 days109 +1.5

This day in history*

Solar flares
12005X10.1
22001X1.1
32004M8.82
41999M7.54
52022M5.5
DstG
11989-120G3
22016-101G1
31961-78G2
41967-57
52005-53G1
*since 1994

Social networks

SpaceWeatherLive