Viewing archive of Tuesday, 31 October 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 |
|---|---|---|---|---|
| 116 54 | 2 2 | B7.77 | C5.71 | 6 |
Sunspot regions
Region 13472 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 12 | 30 -10 | DRO | N21W26 | |
|
||||
Region 13473 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 3 | 30 -20 | DRO | N16E06 | |
|
||||
Solar flares on this day | ||||
| C5.6 C2.1 | ||||
Region 13474 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 30 15 | 460 330 | DKI | S18W16 | |
|
||||
Solar flares on this day | ||||
| C1.8 C2.2 C5.0 | ||||
Region 13476 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 30 | CRO | S15E09 | |
|
||||
Region 13477 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 120 | HSX | S12E80 | |
|
||||
Solar flares on this day | ||||
| C3.9 C3.7 C3.7 | ||||
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | M1.8 |
| 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |