Sunspot number | New regions | Background flux | Maximum flux | C |
---|---|---|---|---|
49 -18 | 0 | B4.14 | C2.82 | 5 |
Region 11620 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
8 -8 | 180 -170 | EAI | S13W81 | |
Solar flares on this day | ||||
B8.73 C2.82 |
Region 11621 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
2 1 | 120 -10 | CSO | N15W02 |
Region 11623 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
9 -2 | 210 -140 | DAO | N08E35 |
Region 11625 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
8 -2 | 150 -80 | DAO | N14E36 | |
Solar flares on this day | ||||
C1.92 C1 C1.34 |
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 | |
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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 |