Sunspot number | New regions | Background flux | Maximum flux | C | M |
---|---|---|---|---|---|
143 -4 | 0 | C1.57 | M8.64 | 8 | 3 |
Region 8771 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
21 3 | 820 70 | FKI | S15W51 | |
Solar flares on this day | ||||
M8.26 M2.76 C4.09 C7.26 C3.83 C2.07 C4.49 |
Region 8772 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
4 1 | 10 | AXX | N07W20 |
Region 8773 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
5 1 | 10 | BXO | S15W39 |
Region 8776 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
3 -3 | 50 -30 | CSO | S28W42 |
Region 8778 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
26 10 | 90 10 | DSO | S14E10 | |
Solar flares on this day | ||||
C5.61 M8.64 C3.4 C2.99 |
Region 8779 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
6 4 | 40 30 | CSO | S09W44 |
Region 8780 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
1 -2 | 10 -20 | AXX | S11E38 |
Region 8781 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
1 | 70 20 | HSX | S13E58 |
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 |