Viewing archive of Wednesday, 13 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 |
|---|---|---|---|---|
| 114 34 | 2 1 | B9.58 | C9.42 | 4 |
Sunspot regions
Region 13513 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -2 | 180 90 | CAO | N18W42 | |
|
||||
Solar flares on this day | ||||
| C1.8 | ||||
Region 13514 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -2 | 50 -10 | DAI | N05W50 | |
|
||||
Solar flares on this day | ||||
| C1.2 C1.2 | ||||
Region 13515 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 30 20 | HRX | S13E08 | |
|
||||
Region 13516 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 10 -30 | AXX | S18E11 | |
|
||||
Region 13517 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 10 | CRO | N15W31 | |
|
||||
Region 13518 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 10 | HAX | N13E61 | |
|
||||
Region 13519 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 50 | DAO | S11E38 | |
|
||||
Region 13520 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 | 210 | CAO | N10W34 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |