Viewing archive of Saturday, 30 September 2023 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 106 4 | 1 1 | C1.35 | M1.24 | 15 | 1 |
Sunspot regions
Region 13435 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 50 | HSX | N10W0* | |
|
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Region 13440 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N18W83 | |
|
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Region 13445 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 50 -10 | HSX | S13W76 | |
|
||||
Solar flares on this day | ||||
| C2.4 C8.0 C9.6 | ||||
Region 13447 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 80 -10 | CSO | S22W57 | |
|
||||
Solar flares on this day | ||||
| C3.9 | ||||
Region 13448 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 80 -20 | HSX | N14E06 | |
|
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Region 13449 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 | 110 -10 | CSI | N15W07 | |
|
||||
Region 13450 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 -1 | 170 30 | EAI | S18E27 | |
|
||||
Solar flares on this day | ||||
| C5.1 C6.6 | ||||
Region 13451 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 80 | DAI | N15E61 | |
|
||||
Solar flares on this day | ||||
| C4.2 C2.4 C2.6 C4.9 C6.3 M1.2 C4.8 C2.7 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/20 | M1.0 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 118.5 +26.7 |
| Last 30 days | 108.7 +20.4 |