Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
2021/08/27 | 4 | 50 | BXO | S29W69 | |
2021/08/28 | 2 | 10 | BXO | S28W80 | |
2021/08/29 | 2 | 10 | BXO | S28W95 |
B | C |
---|---|
4 | 1 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | C1.1 | 2021/08/27 | 15:04 | 15:14 | 15:24 | |
2 | B7.8 | 2021/08/27 | 17:08 | 17:18 | 17:28 | |
3 | B4.8 | 2021/08/27 | 18:22 | 18:30 | 18:39 | |
4 | B4.7 | 2021/08/27 | 16:06 | 16:16 | 16:22 | |
5 | B4.4 | 2021/08/27 | 18:01 | 18:08 | 18:13 |
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Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/04/22 | M1.3 |
Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
March 2025 | 134.2 -20.4 |
April 2025 | 126.2 -8 |
Last 30 days | 126.5 -1 |