Sunspot region AR12663

Number of
sunspots
Size Class Magn. Class Spot Location
2017/06/16 7 50 DSO N14W00
2017/06/17 7 90 DSO N13W14
2017/06/18 7 100 DSO N12W28
2017/06/19 6 80 DSO N12W41
2017/06/20 4 60 CSO N13W55
2017/06/21 1 40 HSX N14W72
2017/06/22 1 30 HSX N14W85
2017/06/23 1 30 HSX N14W99
B
7

The top 7 solar flares from sunspot region 12663

Start Maximum End
1B3.762017/06/1516:5717:0017:06
2B3.762017/06/1813:3313:4413:54
3B3.32017/06/1809:1009:2109:32
4B2.692017/06/1821:3021:4021:48
5B1.662017/06/1702:5102:5703:01
6B1.62017/06/1812:3512:4012:59
7B1.072017/06/1913:0313:0613:09

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-flare2026/01/18X1.9
Last M-flare2026/01/21M3.4
Last geomagnetic storm2026/01/22Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 2026117.9 -6.1
Last 30 days121.4 +11.9

This day in history*

Solar flares
12023M4.65
21999M3.8
32023M2.0
41998M1.8
52023M1.4
DstG
12004-81G2
21957-81G1
32012-75
41974-66G2
51979-66G2
*since 1994

Social networks