Viewing archive of Friday, 18 April 2025 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 113 -5 | 1 -1 | C1.04 | M4.47 | 5 | 1 |
Sunspot regions
Region 14056 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 30 | HRX | S07W87 | |
|
||||
Region 14060 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 80 -40 | CAO | N08W42 | |
|
||||
Solar flares on this day | ||||
| C2.4 C2.2 | ||||
Region 14062 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -5 | 300 20 | DKI | S03W13 | |
|
||||
Solar flares on this day | ||||
| C1.8 | ||||
Region 14063 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | N05W19 | |
|
||||
Region 14064 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 1 | 350 150 | DKI | N10E45 | |
|
||||
Solar flares on this day | ||||
| C1.4 C2.6 | ||||
Region 14065 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HSX | S28E47 | |
|
||||
Region 14066 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -2 | 30 -10 | CAO | S03E33 | |
|
||||
Solar flares on this day | ||||
| C1.6 | ||||
Region 14067 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 50 | CSO | S02E55 | |
|
||||
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |