Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
2017/08/20 | 5 | 10 | DAI | N05E90 | |
2017/08/21 | 4 | 120 | DAO | N06E76 | |
2017/08/22 | 5 | 160 | DAO | N07E61 | |
2017/08/23 | 10 | 270 | DAO | N08E47 | |
2017/08/24 | 8 | 240 | ESI | N08E34 | |
2017/08/25 | 12 | 240 | ESI | N07E21 | |
2017/08/26 | 12 | 140 | EAI | N07E07 | |
2017/08/27 | 10 | 130 | EAI | N07W07 | |
2017/08/28 | 12 | 150 | ESO | N07W20 | |
2017/08/29 | 7 | 100 | CSO | N08W34 | |
2017/08/30 | 3 | 60 | CSO | N06W50 | |
2017/08/31 | 6 | 70 | DSO | N06W63 | |
2017/09/01 | 4 | 70 | DAO | N07W70 | |
2017/09/02 | 2 | 60 | DAO | N08W84 | |
2017/09/03 | 2 | 60 | DAO | N08W98 |
B | C | M |
---|---|---|
18 | 12 | 2 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | M1.54 | 2017/08/20 | 19:20 | 19:39 | 19:49 | |
2 | M1.11 | 2017/09/02 | 15:26 | 15:41 | 15:56 | |
3 | C8.49 | 2017/08/21 | 03:05 | 03:16 | 03:30 | |
4 | C3.68 | 2017/08/23 | 13:24 | 13:43 | 13:55 | |
5 | C2.14 | 2017/09/02 | 21:56 | 22:03 | 22:33 | |
6 | C2.01 | 2017/08/23 | 19:10 | 19:31 | 19:41 | |
7 | C1.61 | 2017/08/20 | 14:40 | 14:45 | 14:52 | |
8 | C1.34 | 2017/08/24 | 15:47 | 15:58 | 16:07 | |
9 | C1.32 | 2017/08/28 | 15:33 | 15:40 | 15:58 | |
10 | C1.29 | 2017/08/24 | 00:06 | 00:14 | 00:18 |
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Last X-flare | 2024/12/08 | X2.2 |
Last M-flare | 2024/12/22 | M1.0 |
Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
November 2024 | 152.5 -13.9 |
December 2024 | 103.3 -49.2 |
Last 30 days | 115.4 -40.8 |