On this page you will find an overview of the largest sunspot regions of the year 2015. This page is updated daily. Sunspot information comes from the NOAA SWPC.
Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
---|---|---|---|---|---|---|
1 | 2015/08/26 | 2403 | 1190 | 40 | FKI | |
2 | 2015/06/21 | 2371 | 1120 | 35 | EKC | |
3 | 2015/09/30 | 2422 | 950 | 35 | FKC | |
4 | 2015/01/04 | 2253 | 900 | 31 | EKC | |
5 | 2015/05/09 | 2339 | 900 | 32 | FKC | |
6 | 2015/08/10 | 2396 | 840 | 43 | EKC | |
7 | 2015/11/02 | 2443 | 650 | 28 | FKC | |
8 | 2015/04/14 | 2321 | 620 | 14 | EKC | |
9 | 2015/12/16 | 2470 | 610 | 16 | EKO | |
10 | 2015/12/27 | 2473 | 590 | 36 | FKC | |
11 | 2015/07/09 | 2381 | 550 | 28 | EKO | |
12 | 2015/01/30 | 2268 | 510 | 35 | FHC | |
13 | 2015/01/31 | 2277 | 510 | 41 | FKC | |
14 | 2015/01/10 | 2257 | 480 | 28 | DKI | |
15 | 2015/04/02 | 2305 | 470 | 2 | CHO | |
16 | 2015/04/16 | 2324 | 430 | 7 | DKO | |
17 | 2015/03/14 | 2297 | 420 | 23 | DKC | |
18 | 2015/03/18 | 2303 | 400 | 1 | HKX | |
19 | 2015/06/16 | 2367 | 400 | 29 | EKC | |
20 | 2015/01/14 | 2259 | 360 | 10 | EKO | |
21 | 2015/05/05 | 2335 | 310 | 30 | EAC | |
22 | 2015/02/11 | 2280 | 300 | 17 | EKC | |
23 | 2015/09/22 | 2420 | 290 | 16 | EKC | |
24 | 2015/10/22 | 2436 | 290 | 23 | EKI | |
25 | 2015/10/18 | 2434 | 260 | 20 | DKI |
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Last X-flare | 2024/12/08 | X2.2 |
Last M-flare | 2024/12/24 | M1.3 |
Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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November 2024 | 152.5 -13.9 |
December 2024 | 110.7 -41.8 |
Last 30 days | 117.3 -41.4 |