Viewing archive of Saturday, 22 August 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 |
|---|---|---|---|---|---|
| 72 -6 | 0 | C1.37 | M5.04 | 13 | 2 |
Sunspot regions
Region 12401 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -4 | 10 -50 | HRX | S11W58 | |
|
||||
Region 12403 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 43 14 | 350 20 | DKC | S14E23 | |
|
||||
Solar flares on this day | ||||
| C2.87 C7.32 M1.77 C9.56 C7.4 C9.14 C4.86 C3.17 C2.39 C2.33 C3.24 M5.04 C2.21 C3.86 | ||||
Region 12404 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | CRO | N14E13 | |
|
||||
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/31 | M1.2 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 127 -27.6 |
| Last 30 days | 127 -25.7 |