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

Power transmission for all of us. And why I believe we are better prepared than ever for major solar events 10Strong far side CME 334Incoming & Unnumbered Active Regions 1353Unspecified geomagnetic activity 1750Filaments and prominences 595
More topics

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/22M1.0
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024103.3 -49.2
Last 30 days115.4 -40.8

This day in history*

Solar flares
11999M7.71
22013M4.82
32023M3.33
42013M2.8
51999M2.61
DstG
11982-101G3
22014-71G1
32001-59
41987-59
51989-58G1
*since 1994

Social networks

SpaceWeatherLive