Viewing archive of Friday, 16 May 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 |
|---|---|---|---|---|
| 57 12 | 2 2 | B4.51 | C3.5 | 6 |
Sunspot regions
Region 14082 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HSX | S09W0* | |
|
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Region 14087 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 | 230 -20 | DSO | N15E25 | |
|
||||
Solar flares on this day | ||||
| C3.4 C1.7 C1.0 B9.5 C1.3 B6.6 B7.3 B7.8 C1.1 | ||||
Region 14088 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 10 -10 | HRX | N09W73 | |
|
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Region 14089 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 30 | DRO | N16E50 | |
|
||||
Solar flares on this day | ||||
| C2.3 B9.2 B8.8 B7.5 | ||||
Region 14090 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 60 | CAO | S12E60 | |
|
||||
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/08 | M2.0 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +12.4 |