Sunspot region AR12390

Number of
sunspots
Size Class Magn. Class Spot Location
2015/07/25 2 10 BXO S15E28
2015/07/26 10 50 DAI S15E13
2015/07/27 10 130 DAC S15E01
2015/07/28 15 170 DAI S17W13
2015/07/29 17 150 DAI S15W26
2015/07/30 18 110 DAI S15W39
2015/07/31 10 70 DSO S15W53
2015/08/01 11 100 DAI S15W66
2015/08/02 5 80 CAO S14W79
2015/08/03 2 50 CSO S15W91
2015/08/04 2 50 CSO S15W0*
BC
83

The top 10 solar flares from sunspot region 12390

Start Maximum End
1C2.212015/08/0119:5920:0520:10
2C1.042015/08/0202:1302:2102:28
3C1.032015/08/0210:1210:1910:34
4B9.292015/08/0203:1903:2603:35
5B8.432015/08/0202:5402:5803:04
6B8.152015/07/3103:5504:0204:08
7B6.062015/08/0117:0417:1017:16
8B5.872015/07/2800:3800:4200:47
9B5.312015/08/0210:0010:0310:05
10B5.22015/07/2712:3512:3912:43

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-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/19Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202681 -4.9
Last 30 days92.5 +30.9

This day in history*

Solar flares
12022X2.25
22022M7.29
32001M5.99
41998M1.96
52022M1.9
DstG
12002-149G3
21985-124G3
31981-97G2
41973-76G2
51975-70G2
*since 1994

Social networks