Sunspot region AR12640

Number of
sunspots
Size Class Magn. Class Spot Location
2017/02/27 2 10 BXO N11E24
2017/02/28 4 20 BXO N09E11
2017/03/01 2 30 AXX N08W04
2017/03/02 2 10 AXX N09W18
2017/03/03 1 10 AXX N08W33
B
2

The top 2 solar flares from sunspot region 12640

Start Maximum End
1B4.012017/02/2623:1123:1823:25
2B1.62017/02/2704:5705:0005:04

Latest news

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!

54%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/27M3.0
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days139.7 +33.3

This day in history*

Solar flares
11998M9.27
21999M1.7
32003M1.69
42022M1.2
52022M1.2
ApG
1195658G4
2195287G3
3199159G3
4196055G2
5197359G2
*since 1994

Social networks