Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
2017/12/21 | 6 | 70 | CAO | N16E45 | |
2017/12/22 | 8 | 70 | DAO | N18E30 | |
2017/12/23 | 8 | 70 | DAO | N18E16 | |
2017/12/24 | 12 | 90 | DAO | N18E03 | |
2017/12/25 | 12 | 160 | EAI | N18W09 | |
2017/12/26 | 7 | 100 | EAO | N18W23 | |
2017/12/27 | 4 | 30 | CRO | N18W35 | |
2017/12/28 | 1 | 10 | AXX | N17W46 |
B | C |
---|---|
13 | 2 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | C1.17 | 2017/12/28 | 22:25 | 22:29 | 22:33 | |
2 | C1.01 | 2017/12/22 | 01:40 | 01:50 | 02:05 | |
3 | B6.35 | 2017/12/22 | 02:43 | 02:50 | 03:06 | |
4 | B4.39 | 2017/12/22 | 01:11 | 01:15 | 01:17 | |
5 | B4.33 | 2017/12/23 | 06:24 | 06:29 | 06:31 | |
6 | B4.04 | 2017/12/20 | 18:14 | 18:22 | 18:27 | |
7 | B3.92 | 2017/12/22 | 11:36 | 11:40 | 11:44 | |
8 | B3.42 | 2017/12/22 | 03:31 | 03:36 | 03:44 | |
9 | B3.14 | 2017/12/22 | 02:28 | 02:31 | 02:33 | |
10 | B2.02 | 2017/12/25 | 07:11 | 07:16 | 07:28 |
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Last X-flare | 2024/12/08 | X2.2 |
Last M-flare | 2024/12/23 | 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 | 106.6 -45.9 |
Last 30 days | 116.1 -41.8 |