Viewing archive of Monday, 4 December 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 |
|---|---|---|---|---|
| 113 6 | 1 -1 | B7.13 | C8.1 | 9 |
Sunspot regions
Region 13500 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -5 | 180 -70 | DAC | S18W85 | |
|
||||
Solar flares on this day | ||||
| C4.7 | ||||
Region 13501 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HSX | S09W76 | |
|
||||
Region 13505 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 30 10 | HSX | S18W12 | |
|
||||
Region 13507 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 160 30 | CSO | N10W00 | |
|
||||
Solar flares on this day | ||||
| C2.1 C1.3 | ||||
Region 13508 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 | HSX | S15W02 | |
|
||||
Region 13510 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 6 | 130 100 | DAI | S15E10 | |
|
||||
Region 13511 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 5 | 60 50 | DAO | S23E11 | |
|
||||
Solar flares on this day | ||||
| C1.5 C8.1 | ||||
Region 13512 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HAX | S09E58 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/19 | M1.2 |
| Last geomagnetic storm | 2026/01/19 | Kp9- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 103.8 -20.2 |
| Last 30 days | 109 +1.5 |