Viewing archive of Sunday, 21 June 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 |
|---|---|---|---|---|---|
| 79 -10 | 0 | A0.0 | M5.53 | 5 | 4 |
Sunspot regions
Region 12367 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 34 11 | 290 -10 | EKI | S20W49 | |
|
||||
Solar flares on this day | ||||
| M3.85 M5.54 C1.93 C2 C3.7 M1.63 | ||||
Region 12371 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 35 4 | 1120 100 | EKC | N13E14 | |
|
||||
Solar flares on this day | ||||
| M2.91 C2.15 | ||||
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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 |