Viewing archive of Monday, 18 April 2022 - 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 |
|---|---|---|---|---|---|
| 79 5 | 0 | C1.31 | M1.92 | 13 | 3 |
Sunspot regions
Region 12990 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 1 | 30 -30 | BXO | N16W21 | |
|
||||
Region 12991 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 50 | HAX | S24E12 | |
|
||||
Region 12992 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 300 190 | DAO | S28W85 | |
|
||||
Solar flares on this day | ||||
| C8.6 C3.0 | ||||
Region 12993 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 4 | 560 160 | DHI | N18E51 | |
|
||||
Solar flares on this day | ||||
| C6.0 C5.3 C2.8 M1.3 C2.5 M1.19 C3.9 C7.4 | ||||
Region 12994 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 2 | 450 100 | EKO | N13E52 | |
|
||||
Solar flares on this day | ||||
| C2.7 C5.4 C7.4 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2026/01/11 | M3.3 |
| Last geomagnetic storm | 2026/01/11 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 100.8 -23.2 |
| Last 30 days | 99.2 -9.4 |