Viewing archive of Wednesday, 4 September 2024 - 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 |
|---|---|---|---|---|---|
| 151 18 | 1 1 | C3.24 | M1.48 | 9 | 6 |
Sunspot regions
Region 13803 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N16W51 | |
|
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Region 13806 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 34 10 | 250 10 | EKC | S14W23 | |
|
||||
Solar flares on this day | ||||
| C8.2 M1.06 M1.06 C9.1 | ||||
Region 13807 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -3 | 340 -170 | EKI | S15W80 | |
|
||||
Solar flares on this day | ||||
| M1.2 C5.0 C4.4 C8.7 | ||||
Region 13808 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 6 | 80 20 | CSO | S12W17 | |
|
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Region 13810 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N16W18 | |
|
||||
Region 13811 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 5 | 290 70 | DKI | S12E18 | |
|
||||
Solar flares on this day | ||||
| C7.0 M1.2 | ||||
Region 13813 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 11 | 350 80 | EKC | S25E41 | |
|
||||
Solar flares on this day | ||||
| C6.4 C5.4 M1.4 M1.03 C4.7 | ||||
Region 13814 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 180 | HAX | N16E75 | |
|
||||
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |