Top 25 sunspot regions of 2017

On this page you will find an overview of the largest sunspot regions of the year 2017. This page is updated daily. Sunspot information comes from the NOAA SWPC.

		Region	Size	Number of sunspots	Class Spot
1	2017/09/09	2673	1060	19	DKC
2	2017/09/04	2674	930	21	FHC
3	2017/07/10	2665	710	21	EKC
4	2017/04/04	2645	700	35	EKC
5	2017/04/04	2644	520	12	FKC
6	2017/08/22	2671	430	18	FKC
7	2017/10/04	2683	330	4	CKO
8	2017/08/23	2672	270	10	DAO
9	2017/05/29	2659	220	10	DAO
10	2017/01/24	2628	220	8	DSO
11	2017/01/26	2629	220	7	DAO
12	2017/06/03	2661	200	9	DAO
13	2017/09/26	2682	200	1	HAX
14	2017/06/14	2662	170	1	HSX
15	2017/08/03	2670	160	2	CSO
16	2017/12/25	2692	160	12	EAI
17	2017/02/23	2638	150	7	DSO
18	2017/04/24	2651	150	8	CSO
19	2017/01/15	2626	140	2	HSX
20	2017/09/13	2680	140	1	HSX
21	2017/09/27	2681	120	7	CSO
22	2017/01/23	2627	110	11	DAI
23	2017/02/11	2635	110	8	DAI
24	2017/04/23	2653	100	2	HAX
25	2017/03/01	2641	100	6	CAO

G2 - Moderate geomagnetic storm

Observed Kp: 6
Threshold reached: 07:32 UTC

Current data suggests there is a high possibility for aurora to appear at the following high latitude regions in the near future

Gillam, MB, Whitehorse, YT, Yellowknife, NT
Anchorage, AK, Fairbanks, AK, Juneau, AK, Utqiagvik, AK

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Edmonton, AB, Iqaluit, NU, Saskatoon, SK
Nuuk

Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future

Calgary, AB, Winnipeg, MB
Yakutsk
Invercargill

Current data suggests there is a slight possibility for aurora to appear at the following low latitude regions in the near future

Dunedin

The solar wind speed is currently high (822.68 km/sec.)

The strength of the interplanetary magnetic field is moderate (12.34nT), the direction is North (0.71nT).

The Disturbance Storm Time index predicts strong storm conditions right now (-125nT)

S1 - Minor solar radiation storm

Minor impacts on HF radio through polar regions

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