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 | ||||
All times in UTC
Latest news
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Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/02 | M3.5 |
| Last geomagnetic storm | 2026/04/02 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| April 2026 | 141 +62.8 |
| Last 30 days | 94.6 +27 |
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