Sunspot number | New regions | Background flux | Maximum flux | C |
---|---|---|---|---|
46 -16 | 0 | B3.43 | C5.01 | 5 |
Region 11540 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
1 | 30 | HAX | S25W76 | |
Solar flares on this day | ||||
C1.82 |
Region 11542 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
4 -2 | 40 -20 | DAO | S12W18 | |
Solar flares on this day | ||||
C1.7 C2.31 |
Region 11543 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
12 7 | 250 20 | DKO | N20W05 | |
Solar flares on this day | ||||
C5.01 C1.57 |
Region 11544 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
2 | 30 -20 | CAO | S29W56 |
Region 11545 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
4 3 | 20 10 | CSO | S14W49 |
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 |