Viewing archive of Wednesday, 11 March 2015 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M | X |
|---|---|---|---|---|---|---|
| 42 | 1 1 | B9.71 | X3.14 | 13 | 5 | 1 |
Sunspot regions
Region 12297 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 32 13 | 280 20 | DKC | S16E26 | |
|
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Solar flares on this day | ||||
| M4.16 C1.59 C3.98 C6.44 C1.95 C3.9 C1.5 M2.7 M3.75 C2.84 C8.28 C3.3 X3.15 M1.5 | ||||
All times in UTC
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| 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 |