Sunspot number | New regions | Background flux | Maximum flux | C | X |
---|---|---|---|---|---|
39 -20 | 0 | B8.29 | X1.11 | 4 | 1 |
Region 11520 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
5 -3 | 300 -290 | EKO | S17W89 | |
Solar flares on this day | ||||
X1.12 |
Region 11523 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
6 2 | 90 30 | DSO | S28W51 |
Region 11524 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
7 2 | 50 10 | CSO | S16E37 | |
Solar flares on this day | ||||
C3.55 C1.96 |
Region 11525 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
1 -2 | 40 10 | HSX | S22E36 | |
Solar flares on this day | ||||
C2.24 C1.65 |
All times in UTC
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Last X-flare | 2025/06/19 | X1.9 |
Last M-flare | 2025/10/03 | M1.2 |
Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
September 2025 | 129.8 -3.7 |
October 2025 | 140.1 +10.3 |
Last 30 days | 131.3 -1.2 |