SpaceWeatherLive .com
Real-time auroral and solar activity

Sunspot region AR12872

Number of
sunspots		 Size Class Magn. Class Spot Location
2021/09/20 7 30 CRO N19E42
2021/09/21 4 10 BXO N18E25
2021/09/22 9 70 CAI N17E14
2021/09/23 15 120 CAI N17E01
2021/09/24 10 80 CAO N17W12
2021/09/25 9 60 CRO N17W26
2021/09/26 7 40 CRO N16W38
2021/09/27 4 10 BXO N16W53
B
5

The top 5 solar flares from sunspot region 12872

Start Maximum End
1B4.22021/09/2123:5123:5523:59
2B3.72021/09/2615:3815:4716:10
3B3.42021/09/2211:1711:2511:30
4B1.92021/09/2423:3423:3823:42
5B1.82021/09/2415:5716:0516:09
Back to top

Latest news

Latest forum messages

AR4366 668X1.9 CME 1364X8 CME 11New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 73Current Farside Activity 351
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-flare2026/02/03X1.5
Last M-flare2026/02/03M7.3
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
February 2026114 -10
Last 30 days118.1 +6.2

This day in history*

Solar flares
12026X1.5
22025M8.88
32026M7.3
42026M7.2
52025M6.1
DstG
11992-170G4
21969-161G2
31982-82G1
41989-74G2
52022-66G1
*since 1994

Social networks

SpaceWeatherLive