Sunspot region AR12173

Number of
sunspots
Size Class Magn. Class Spot Location
2014/09/21 1 20 HRX S15E65
2014/09/22 1 20 HRX S15E51
2014/09/23 1 10 HRX S15E37
2014/09/24 1 10 HRX S15E24
2014/09/27 16 50 CAO S17W10
2014/09/28 16 50 CAO S17W10
2014/09/29 22 160 DAC S17W39
2014/09/30 11 150 EAC S16W54
2014/10/01 9 100 EAI S14W66
2014/10/02 12 100 DAI S14W79
2014/10/03 1 50 HAX S13W85
2014/10/04 1 50 HAX S13W99
CMX
1031

The top 10 solar flares from sunspot region 12173

Start Maximum End
1X1.052014/10/0218:4919:0119:14
2M7.312014/09/2802:3902:5803:19
3M1.52014/09/2816:3417:3318:00
4M1.32014/10/0306:3606:4807:14
5C9.012014/09/2806:5907:0807:17
6C8.182014/10/0302:5703:0403:15
7C5.832014/09/2820:2720:3520:55
8C5.112014/10/0222:5122:5422:56
9C4.652014/09/2919:4221:3222:55
10C3.622014/09/3004:1004:4405:10

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-flare2026/04/23M4.9
Last geomagnetic storm2026/04/20Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202678.4 -7.5
Last 30 days90 +16.2

This day in history*

Solar flares
12003M4.84
22001M4.48
32001M3.35
42001M3.06
52001M2.7
DstG
12023-213G4
21960-171G3
32012-120G3
41990-106G2
51959-92G1
*since 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
Submit your aurora observation

Social networks