Viewing archive of Wednesday, 22 April 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 |
|---|---|---|---|---|---|
| 134 -19 | 1 -1 | C1.29 | M1.6 | 9 | 1 |
Sunspot regions
Region 12321 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -8 | 30 -50 | HSX | N07W58 | |
|
||||
Region 12322 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 7 | 60 30 | DAC | N11W87 | |
|
||||
Solar flares on this day | ||||
| C5.85 C5.5 M1.6 | ||||
Region 12324 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 7 | 170 -60 | CAI | N19W33 | |
|
||||
Solar flares on this day | ||||
| C5.33 | ||||
Region 12325 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 210 -10 | DAO | N06W24 | |
|
||||
Solar flares on this day | ||||
| C3.29 C6.66 | ||||
Region 12327 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 90 -20 | HSX | S10E17 | |
|
||||
Solar flares on this day | ||||
| C3.25 | ||||
Region 12329 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 1 | 50 10 | CRO | S08W79 | |
|
||||
Region 12330 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 20 -10 | CSO | N15E18 | |
|
||||
Region 12331 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 | 30 | BXI | S10E10 | |
|
||||
Region 12332 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | S13W17 | |
|
||||
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| March 2026 | 75.1 -3.1 |
| Last 30 days | 54.5 -72.1 |