Viewing archive of Thursday, 4 December 2025 - 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 |
|---|---|---|---|---|---|
| 165 -62 | 0 -1 | C1.87 | M6.07 | 7 | 1 |
Sunspot regions
Region 14290 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HRX | S09W0* | |
|
||||
Region 14291 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HRX | S11W99 | |
|
||||
Region 14294 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 47 -8 | 1280 -165 | FKC | S15E04 | |
|
||||
Solar flares on this day | ||||
| C3.8 | ||||
Region 14295 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 40 -10 | CAO | N04E11 | |
|
||||
Region 14296 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 -7 | 650 30 | EKC | S14E23 | |
|
||||
Solar flares on this day | ||||
| C9.2 C3.3 C3.7 C6.8 | ||||
Region 14297 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 | AXX | S12W53 | |
|
||||
Region 14298 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 100 -10 | CSO | S16W10 | |
|
||||
Solar flares on this day | ||||
| C3.3 C3.6 | ||||
Region 14299 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -9 | 200 60 | DAO | N23E28 | |
|
||||
Region 14300 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -1 | 30 | CSO | N07E39 | |
|
||||
Solar flares on this day | ||||
| M6.0 | ||||
Region 14301 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -3 | 120 70 | DAI | S07W58 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/20 | Kp8 (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 107.3 -16.8 |
| Last 30 days | 111.9 +4 |