Sunspot region AR13991

Number of
sunspots
Size Class Magn. Class Spot Location
2025/02/11 1 30 HSX S12E70
2025/02/12 3 30 CSO S12E56
2025/02/13 2 20 HRX S12E44
2025/02/14 1 20 HRX S12E30
2025/02/15 2 10 AXX S12E17
2025/02/16 6 20 CRO S13E03
2025/02/17 1 10 AXX S13W11
2025/02/18 1 10 AXX S14W24
2025/02/22 2 10 AXX S13W78
2025/02/23 3 10 CRO S13W92
2025/02/24 3 10 CRO S09W99
C
2

The top 2 solar flares from sunspot region 13991

Start Maximum End
1C8.02025/02/1923:2323:4523:59
2C7.22025/02/1118:0518:2518:43

Latest news

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-flare2025/12/08X1.1
Last M-flare2025/12/12M1.1
Last geomagnetic storm2025/12/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025128 +36.2
Last 30 days108.4 +15.8

This day in history*

Solar flares
11998X1.15
22014M9.92
32002M3.54
41999M2.19
51999M1.36
DstG
11971-120G1
21958-111G3
31978-78G2
41988-77G1
51962-76G2
*since 1994

Social networks